Patent US2693871A successfully refreshed from Google Patents.
US2693871A
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Ribbon feeding and reversing mechanism for typewriters and the like
Assignee: Almex Inc
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Filing: 1951-08-23
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Granted: 1954-11-09
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Expires: 1971-08-23
Abstract
No abstract record available.
Inventors
- 👤 Stahl Nils Evert Johan
- 👤 Larsson Oscar Uno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:49
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/14; B41J33/16; B41J33/22; B41J33/40; B41J33/44; B41J33/51; B41J33/516
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US456808A
Cited
US1027732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |