Patent US3304859A successfully refreshed from Google Patents.
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
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Filing: 1964-04-06
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Granted: 1967-02-21
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Schenk Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:42
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.
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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 |