Patent US2674894A successfully refreshed from Google Patents.
US2674894A
Expired / Lapsed
US
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Drive and full-stroke mechanism
Assignee: SETRIGHT REGISTERS Ltd
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Filing: 1950-01-30
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Granted: 1954-04-13
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Expires: 1970-01-30
Abstract
No abstract record available.
Inventors
- 👤 Adshead Charles William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:37
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/02; B41K3/04; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1890598A
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US2203115A
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US1106995A
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US1523574A
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US1831700A
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US2017920A
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US2100027A
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US2488766A
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US2586040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |