Informal Notes on the U.S. Patent Data Format The material includes U.S. Patent Documents for the years 1983-1991. The data has been changed to the standardized SGML format, as shown below. PT3-05131093 05131093 7 663899 1 247 19910318 Arrangement for headgear 19920721 .... Lightweight foldable headgear with sun visor and detachable collapsible binoculars for shielding light and improving the wearer's ability to view events or other sights. The present invention relates to an arrangement for headgear which at least exhipbits a sum visor on its front. It is normally tiring for a person to hold up a pair of binoculars for a long period, for example at sporting events such as tennis, football and horse races, or at musical performances such as pop concerts, irrespective of the weight of the binoculars and the fact that it may be difficult to coordinate movements between the user's head and hands in order rapidly and precisely to obtain the desired view through the binoculars. .... .... The invention is described below as a number of preferred illustrative embodiments, in conjunction with which reference is made to the drawings, in which: FIGS. 1-5 show a first illustrative embodiment of the invention, where FIG. 1 shows the invention being worn by a person; FIG. 2 shows a side view of a person with a pair of binoculars supported on an item of headgear; FIG. 3 shows an item of headgear viewed from below and without any binoculars attached thereto; ... ... An item of headgear 1, preferably consisting of a cap or similar, which has a bowl-shaped part 2 covering the head 3 of a person wearing the cap, etc., and a sum visor 4 on its front 1A, but which can also consist of some other headgear of the kind intended, which is nevertheless subject to the requirement that it shall at least exhibit a sun visor of this kind on the front .... I claim: 1. 1. Arrangement for headgear, comprising: a sun visor disposed at a front section of said headgear, attachment means, a pair of collapsible binoculars made from a sheet material, said binoculars detachably connected by said attachment means to said visor at an underside of said visor, said attachment means having two upright members projecting downwards from said visor to said binoculars, said upright members being arranged and constructed to detachably insert into matching openings in said binoculars, whereby said binoculars are detachably connected to said upright members and are maintained in an area in front of the eyes of a wearer. 2. 2. Arrangement for headgear according to claim 1, wherein said upright members comprise lateral end walls of said headgear, said lateral end walls extending from lateral edges of said visor, said matching openings arranged and constructed to accommodate said lateral edges, and upper ... TABLE OF DATA STRUCTURES AND FIELDS WITHIN PATENT SOURCE FILES Structure: Includes (* embedded structures; () conditional or optional): PATN WKU SRC APN APT (PBL) ART APD TTL ISD NCL ECL EXA EXP NDR NFG (DCD) (NPS) (TRM) INVT* (ASSG*) (PRIR*) (REIS*) (RLAP*) CLAS* UREF* FREF* (OREF*) LREP* PCTA* ABST* GOVT* PARN* BSUM* DRWD* DETD* CLMS* (DCLM*) INVT NAM STR CTY (STA) (CNT) (ZIP) (R47) (ITX) ASSG NAM CTY (STA) (CNT) (ZIP) COD (ITX) PRIR CNT APD APN REIS COD APN APD PNO ISD RLAP COD APN APD PSC PNO ISD CLAS OCL XCL (UCL) (DCL) EDF (ICL) FSC FSS UREF PNO ISD NAM OCL XCL UCL FREF PNO ISD CNT OCL OREF PAL LREP FRM (FR2 AAT AGT ATT REG NAM STR CTY STA CNT ZIP) PCTA PCN PD1 PD2 PD3 PCP PCD ABST PAR PAC PAL PA0 PA1 PA2 PA3 PA4 PA5 FNT TBL TBL3 EQU GOVT PAR PAC PAL PA0 PA1 PA2 PA3 PA4 PA5 FNT TBL TBL3 EQU PARN PAR PAC PAL PA0 PA1 PA2 PA3 PA4 PA5 FNT TBL TBL3 EQU BSUM PAR PAC PAL PA0 PA1 PA2 PA3 PA4 PA5 FNT TBL TBL3 EQU DRWD PAR PAC PAL PA0 PA1 PA2 PA3 PA4 PA5 FNT TBL TBL3 EQU DETD PAR PAC PAL PA0 PA1 PA2 PA3 PA4 PA5 FNT TBL TBL3 EQU CLMS NUM PAR PAC PAL PA0 PA1 PA2 PA3 PA4 PA5 FNT TBL TBL3 EQU DCLM PAR PAC PAL PA0 PA1 PA2 PA3 PA4 PA5 FNT TBL TBL3 EQU ========================== Description of structures: ========================== PATN: "Patent Bibliographic Information" - Separates individual patent applications, contains all other structures and fields; 18 unique fields are directly dominated by PATN INVT: "Inventor Information" - Contains fields for name and address information on oneinventor; multiple INVT structures are possible, each for a singleindividual among a team of inventors on one patent. ASSG: "Assignee Information" - Contains fields for name and address information on one assignee; multiple ASSG structures are possible. PRIR: "Foreign Priority" - Contains fields indicating foreign countries where an application was filed; multiple PRIR structures are possible. REIS: "Reissue Information" - Contains fields describing the reissue of a patent; multiple REIS structures are possible. RLAP: "Related U.S. Application Data" - Contains fields with coded version of parent case/continuation data of prior applications related to this patent; multiple RLAP structures are possible. CLAS: "Classification" - Contains fields with the U.S. and International Classifications of the patent UREF: "U.S. Patent Reference" - Contains fields describing the U.S. Patent Reference(s) cited as references in the patent. FREF: "Foreign Reference" - Contains fields describing the foreign patents cited as references in the patent. OREF: "Other Reference" - Contains fields describing other references cited in the patent, such as books, journals, etc. (each PAL entry under OREF is an independent reference). LREP: "Legal Information" - Contains fields describing the attourney, agent, firm or legal representative representing an applicant's patent; the following fields within LREF are mutually exclusive (only one can be present): FRM, FR2, AGT, AAT, ATT, NAM&Address PCTA: "Patent Cooperation Treaty Information" - Contains fields with information regarding PCT for patents issued under this treaty. ABST: "Abstract" - Contains, in paragraph fields, text of the Abstract. GOVT: "Government Interest" - Contains, in paragraph fields, text of the Statement of Government Interest. PARN: "Parent Case Text" - Contains, in paragraph fields, text of the Parent Case. BSUM: "Brief Summary" - Contains, in paragraph fields, text of a Brief Summary. DRWD: "Drawing Description" - Contains, in paragraph fields, descriptions of drawings (one paragraph field per drawing or figure) DETD: "Detail Description" - Contains, in paragraph fields, text of the detailed technical specification of the patent. CLMS: "Claims" - Contains fields providing the statement of claims by the patent inventor(s). DCLM: "Design Claim" - Contains, in paragraph fields, text of the Design Claim of a Design Patent; not used in other types (classifications) of patents. ====================== Description of fields: ====================== Top Level (unique to PATN): --------------------------- WKU: "Patent Number" - unique numeric identifier for the patent; there are 8 digits followed immediately by a check digit (check digit should not be kept as part of the Patent Number) SRC: "Series Code" - single digit code identifying series, as follows: 2 - pre-1948; 3 - 1948; 4 - 1960; 5 - 1970; 6 - 1980; 7 - present APN: "Application Number" - six-character alphanumeric, followed immediately by a check digit (check digit should not be kept) APT: "Application Type" - single digit code for patent type, as follows: 1 - Invention (Utility); 2 - Reissue; 3 - TVPP Application 4 - Design; 5 - Defensive Publication; 6 - Plant; 7 - SIR (Statutory Invention Registration) PBL: "Publication Level" - only present for Reissue Patents and Defensive Publications; single character: 'E' for Reissue, 'H' for Defensive Publication ART: "Art Unit" - three-digit numeric identifying the art unit APD: "Application Filing Date" - eight-digit numeric date: YYYYMMDD TTL: "Title of Invention" - variable length alphanumeric title string; may extend to subsequent line(s), up to a max of 255 characters ISD: "Issue Date" - eight-digit numeric date: YYYYMMDD NCL: "Number of Claims" - not used in Defensive Publications; variable length numeric defining the number of claims (cf. CLMS). ECL: "Exemplary Claim Number" - not used in Defensive Publications; variable length alphanumeric defining the claim number(s) for "primary" claim(s); multiple "primary" claim numbers are separated by commas EXA: "Assistant Examiner" - variable length alphanumeric containing the name ("last, first, middle", with punctuation); may extend to subsequent line EXP: "Primary Examiner" - variable length alphanumeric containing the name ("last, first, middle", with punctuation); may extend to subsequent line NDR: "Number of Drawings" - variable length numeric NFG: "Number of Figures" - variable length numeric DCD: "Disclaimer Date" - eight-digit numeric date: YYYYMMDD NPS: "Number of Pages" - variable length numeric; only used in Defensive Publications TRM: "Term of Patent" - variable length decimal numeric representing term in years; only used in Design patents Low-Level (not unique to any one structure): -------------------------------------------- PAR: Paragraph, indent 1st line, left-justify (lj) all subseq. PAC: Center-justify text contained in this record PAL: Paragraph, lj all lines PA0: Paragraph, lj 1st line, indent subseq. 1 space PA1: Paragraph, indent 1st line 1 space, indent subseq. 2 spaces PA2: Paragraph, indent 1st line 2 spaces, indent subseq. 3 spaces PA3: Paragraph, indent 1st line 3 spaces, indent subseq. 4 spaces PA4: Paragraph, indent 1st line 4 spaces, indent subseq. 5 spaces PA5: Paragraph, indent 1st line 5 spaces, indent subseq. 6 spaces FNT: Footnote, lj all lines TBL: Table, place following data in columns TBL3: 3-Column Table (landscape format) EQU: In-line equation NAM: Name (of person) as follows: Last(, Jr. etc); First M(iddle) STR: Street Address CTY: City Address (i.e. name of city) STA: U.S. State Address (i.e. 2-letter abbreviation) CNT: Country Address (i.e. 3-character foreign country code) ZIP: U.S. Zip Code ITX: Personal Descriptive Text (for inventor or assignee) COD: Type or Classification Code (different structures use discrete sets of two-digit numeric codes, and these represent classifications using discrete sets of choices) APN: Application number APD: Application date (YYYYMMDD) PNO: Patent Number ISD: Issue date (YYYYMMDD) OCL: Original U.S. Classification XCL: Cross Reference Classification UCL: Unofficial Reference Classification