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US3304859A Expired / Lapsed US ⏱️ 0.0 years remaining

Ribbon-displacing device for the printing mechanism of calculating machines and the like

Assignee: Monroe Calculating Machine Co
•
Filing: 1964-04-06
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Granted: 1967-02-21
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Expires: 1984-04-06
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Abstract

No abstract record available.

Inventors

  • 👤 Schenk Gustav

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:39
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/14; B41J33/38; B41J33/388

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 113 words
A RIBBON-DISPLACEMENT MECHANISM FOR A MACHINE HAVING A PLURALITY OF TYPE ELEMENTS ARRANGED IN CONSECUTIVE SPACES ALONG A PRINTING POSITION SELECTIVELY ENGAGEABLE WITH A RIBBON TO IMPRINT AT LEAST ONE CHARACTER OF A TYPE FACE CARRIED BY AT LEAST ONE OF SAID ELEMENTS UPON A WEB JUXTAPOSED WITH SAID RIBBON, SAID MECHANISM COMPRISING FEED MEANS ENGAGEABLE WITH SAID RIBBON FOR ADVANCING IT PAST SAID TYPE ELEMENTS; AND CONTROL MEANS FOR SAID FEED MEANS ENGAGEABLE WITH AN ACTUATED TYPE ELEMENT TO SENSE THE NUMBER OF TYPE ELEMENTS ACTUATED TO IMPRINT RESPECTIVE CHARACTERS UPON SAID WEB, FOR ADVANCING SAID RIBBON PAST SAID TYPE ELEMENTS BY A DISTANCE PORPORTIONAL TO SAID NUMBER OF ACTUATED TYPE ELEMENTS.
Claim 2
Dependent Claim 113 words
A RIBBON-DISPLACEMENT MECHANISM FOR A MACHINE HAVING A PLURALITY OF TYPE ELEMENTS ARRANGED IN CONSECUTIVE SPACES ALONG A PRINTING POSITION SELECTIVELY ENGAGEABLE WITH A RIBBON TO IMPRINT AT LEAST ONE CHARACTER OF A TYPE FACE CARRIED BY AT LEAST ONE OF SAID ELEMENTS UPON A WEB JUXTAPOSED WITH SAID RIBBON, SAID MECHANISM COMPRISING FEED MEANS ENGAGEABLE WITH SAID RIBBON FOR ADVANCING IT PAST SAID TYPE ELEMENTS; AND CONTROL MEANS FOR SAID FEED MEANS ENGAGEABLE WITH AN ACTUATED TYPE ELEMENT TO SENSE THE NUMBER OF TYPE ELEMENTS ACTUATED TO IMPRINT RESPECTIVE CHARACTERS UPON SAID WEB, FOR ADVANCING SAID RIBBON PAST SAID TYPE ELEMENTS BY A DISTANCE PORPORTIONAL TO SAID NUMBER OF ACTUATED TYPE ELEMENTS.

References Cited (Backward Citations)

US1391424A Cited
US2734614A Cited
US3151546A Cited
US1660638A Cited
US2214414A Cited
US2634533A Cited
US2714850A Cited
US2868346A Cited
US2815110A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-20 1970-08-22 1971-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-20 1974-08-22 1975-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-20 1978-08-22 1979-02-21 $7700.00 Window Closed / Lapsed

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