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  1. Technology classes
  2. /B · Performing operations
  3. /B29 · Working of plastics
  4. /B29L · Indexing scheme associated with subclass b29c, relating to particular articles
  5. /B29L 2031/00 · Indexing scheme associated with subclass b29c, relating to particular articles: other particular
  6. /B29L 2031/76 · Office equipment or accessories
  7. /B29L 2031/7602
B29L 2031/7602

Maps

Official title: {Maps}

B29L2031/7602 (Maps) appears on 17 US grants and 0 published applications in this corpus.

Search patents in B29L

Where it sits

  1. BPerforming operations
  2. B29Working of plastics
  3. B29LIndexing scheme associated with subclass b29c, relating to particular articles
  4. B29L 2031/00Indexing scheme associated with subclass b29c, relating to particular articles: other particular
  5. B29L 2031/76Office equipment or accessories
  6. B29L 2031/7602Maps
Granted patents
17
Published applications
0
Assignees
8
Inventors
27
Latest grant
11 Jun 1985

Filings by year

Granted patentsPublished applications
B29L 2031/7602: granted patents and published applications per publication year
YearGranted patentsPublished applications
197840
197900
198060
198150
198200
198300
198410
198510

19781979198019811982198319841985

By publication year. Applications have been published since 2001.

Recent patents

  • Casting gasket assembly and method for casting lenses therefrom11 Jun 1985US 4,522,768 ASola Products Limited
  • Method of molding plastic contact lenses4 Sep 1984US 4,469,646 A
  • Highly refractive copolymer of an ethylinically unsaturated alkylene oxide of bis-phenol-A and an ethylinically unsaturated aromatic compound for lens and a lens prepared therefrom22 Dec 1981US 4,306,780 AHoya Lens Corporation
  • Contact lens mold18 Aug 1981US 4,284,399 AAmerican Optical Corporation
  • Apparatus and method for making cast ophthalmic lenses21 Jul 1981US 4,279,401 AAmerican Optical Corporation

No published applications in this class yet.

Most cited

By later US patents
  • Apparatus for forming optical lenses382US 4,113,224 ABausch & Lomb Incorporated · 1978
  • Method for forming optical lenses363US 4,197,266 ABausch & Lomb Incorporated · 1980
  • Contact lens mold105US 4,284,399 AAmerican Optical Corporation · 1981
  • Apparatus for the production of contact lenses97US 4,121,896 A1978
  • Method and assembly for molding optical lenses87US 4,257,988 AOptical Warehouse Showroom and Manufacturing, Inc. · 1981

Top assignees

Documents
  • AOAmerican Optical Corporation4
  • Bausch & Lomb Incorporated2
  • EIEssilor International, Cie Generald d'Optique1
  • EIEssilor International Cie Generale d'Optique1
  • HLHoya Lens Corporation1
  • NPNational Patent Development Corporation1
  • OWOptical Warehouse Showroom and Manufacturing, Inc.1
  • SPSola Products Limited1

Often classified with

  • B29CShaping or joining of plastics17
  • B29DProducing particular articles from plastics or from substances in a plastic state16
  • Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12
  • G02BOptical elements, systems or apparatus3
  • B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding2
  • C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds1
  • H10KOrganic electric solid-state devices1

Documents that also carry the other class.

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Search every US patent grant since 1976 and every published application since 2001. Updated weekly from USPTO.

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