patentgrep
SearchCompaniesTechnologiesAPIPricingDocs
DocsGet an API key
  1. Technology classes
  2. /G · Physics
  3. /G03 · Photography
  4. /G03B · Apparatus or arrangements for taking photographs or for projecting or viewing them
  5. /G03B 27/00 · Photographic printing apparatus
  6. /G03B 27/32 · Projection printing apparatus
  7. /G03B 27/42 · For automatic sequential copying of the same original
  8. /G03B 27/426
G03B 27/426

In enlargers

Official title: {in enlargers}

G03B27/426 (In enlargers) appears on 2 US grants and 1 published applications in this corpus.

Search patents in G03B

Where it sits

  1. GPhysics
  2. G03Photography
  3. G03BApparatus or arrangements for taking photographs or for projecting or viewing them
  4. G03B 27/00Photographic printing apparatus
  5. G03B 27/32Projection printing apparatus
  6. G03B 27/42For automatic sequential copying of the same original
  7. G03B 27/426In enlargers
Granted patents
2
Published applications
1
Assignees
3
Inventors
2
Latest grant
25 Nov 2003

Filings by year

Granted patentsPublished applications
G03B 27/426: granted patents and published applications per publication year
YearGranted patentsPublished applications
200110
200201
200310

200120022003

By publication year.

Recent patents

  • Stage device and exposure apparatus, and method of manufacturing a device25 Nov 2003US 6,654,100 B2Nikon Corporation
  • Method and apparatus for manufacturing postcard-affixed photographic prints and photographic prints4 Dec 2001US 6,327,439 B1Fuji Photo Film Co., Ltd.
  • Stage device and exposure apparatus, and method of manufacturing a device7 Feb 2002US 2002/0015140 A1Nikon Corporation

Most cited

By later US patents
  • Stage device and exposure apparatus, and method of manufacturing a device15US 6,654,100 B2Nikon Corporation · 2003
  • Method and apparatus for manufacturing postcard-affixed photographic prints and photographic prints1US 6,327,439 B1Fuji Photo Film Co., Ltd. · 2001

Top assignees

Documents
  • Fuji Photo Film Co., Ltd.1
  • Nikon Corporation1
  • NNikon Corporation1

Often classified with

  • G03FPhotomechanical production of textured or patterned surfaces2
  • G03CPhotosensitive materials for photographic purposes1
  • G03DApparatus for processing exposed photographic materials1
  • Y10TTechnical subjects covered by former us classification1

Documents that also carry the other class.

patentgrep

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

Product

  • Search
  • New this week
  • Where the data comes from
  • Pricing

Browse

  • Companies
  • Technology classes

Developers

  • API docs
  • PatentsView-compatible API
  • MCP server
  • Changelog

About

  • Privacy
  • Terms
© 2026 patentgrepData from USPTO bulk files