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  1. Technology classes
  2. /B · Performing operations
  3. /B41 · Printing
  4. /B41J · Typewriters
  5. /B41J 33/00 · Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
  6. /B41J 33/14 · Ribbon-feed devices or mechanisms
  7. /B41J 33/40 · With arrangements for reversing the feed direction
  8. /B41J 33/42
B41J 33/42

Manually

Official title: manually

B41J33/42 (Manually) appears on 6 US grants and 0 published applications in this corpus.

Search patents in B41J

Where it sits

  1. BPerforming operations
  2. B41Printing
  3. B41JTypewriters
  4. B41J 33/00Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
  5. B41J 33/14Ribbon-feed devices or mechanisms
  6. B41J 33/40With arrangements for reversing the feed direction
  7. B41J 33/42Manually
Granted patents
6
Published applications
0
Assignees
5
Inventors
11
Latest grant
23 Aug 1994

Filings by year

Granted patentsPublished applications
B41J 33/42: granted patents and published applications per publication year
YearGranted patentsPublished applications
198110
198200
198300
198400
198500
198600
198700
198820
198900
199010
199110
199200
199300
199410

19811982198319841985198619871988198919901991199219931994

By publication year. Applications have been published since 2001.

Recent patents

  • Multi-strike ink ribbon feed control23 Aug 1994US 5,340,223 ANeopost Limited
  • Single-run typewriter ribbon cartridge having a reverse winding arrangement5 Feb 1991US 4,990,007 AAEG Olympia Aktiengesellschaft
  • Multiprinting thermal transfer ink ribbon cassette13 Mar 1990US 4,907,902 ATokyo Electric Co., Ltd.
  • Reloadable ribbon cartridge20 Sep 1988US 4,772,143 AInternational Business Machines Corporation
  • Color ink ribbon5 Apr 1988US 4,735,519 AMitsubishi Denki Kabushiki Kaisha

No published applications in this class yet.

Most cited

By later US patents
  • Multiprinting thermal transfer ink ribbon cassette20US 4,907,902 ATokyo Electric Co., Ltd. · 1990
  • Reversible ribbon cartridge for a high speed impact printer16US 4,264,223 AInternational Business Machines Corporation · 1981
  • Single-run typewriter ribbon cartridge having a reverse winding arrangement10US 4,990,007 AAEG Olympia Aktiengesellschaft · 1991
  • Color ink ribbon6US 4,735,519 AMitsubishi Denki Kabushiki Kaisha · 1988
  • Reloadable ribbon cartridge3US 4,772,143 AInternational Business Machines Corporation · 1988

Top assignees

Documents
  • International Business Machines Corporation2
  • AOAEG Olympia Aktiengesellschaft1
  • Mitsubishi Denki Kabushiki Kaisha1
  • NNeopost Limited1
  • TETokyo Electric Co., Ltd.1
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