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  1. Technology classes
  2. /B · Performing operations
  3. /B41 · Printing
  4. /B41J · Typewriters
  5. /B41J 29/00 · Details of, or accessories for, typewriters or selective printing mechanisms not otherwise
  6. /B41J 29/26 · Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling
  7. /B41J 29/32 · Type members
  8. /B41J 29/34
B41J 29/34

Repeatedly actuated

Official title: repeatedly actuated

B41J29/34 (Repeatedly actuated) appears on 3 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 29/00Details of, or accessories for, typewriters or selective printing mechanisms not otherwise
  5. B41J 29/26Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling
  6. B41J 29/32Type members
  7. B41J 29/34Repeatedly actuated
Granted patents
3
Published applications
0
Assignees
3
Inventors
5
Latest grant
29 Dec 1981

Filings by year

Granted patentsPublished applications
B41J 29/34: granted patents and published applications per publication year
YearGranted patentsPublished applications
197820
197900
198000
198110

1978197919801981

By publication year. Applications have been published since 2001.

Recent patents

  • Sideshift erase apparatus and method for impact printers29 Dec 1981US 4,307,971 AInternational Business Machines Corporation
  • Error correcting typewriter22 Aug 1978US 4,108,557 ATriumph Werke Nurnberg A.G.
  • Enhanced underscoring methods and means for automatic typewriter and the like employing hammer-type impact printing mechanism18 Apr 1978US 4,084,680 AXerox Corporation

No published applications in this class yet.

Most cited

By later US patents
  • Sideshift erase apparatus and method for impact printers22US 4,307,971 AInternational Business Machines Corporation · 1981
  • Enhanced underscoring methods and means for automatic typewriter and the like employing hammer-type impact printing mechanism21US 4,084,680 AXerox Corporation · 1978
  • Error correcting typewriter7US 4,108,557 ATriumph Werke Nurnberg A.G. · 1978

Top assignees

Documents
  • International Business Machines Corporation1
  • TWTriumph Werke Nurnberg A.G.1
  • Xerox Corporation1
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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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