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US2796789A
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Multiple torque transmitting apparatus for tightening threaded fastening elements
Assignee: ADELE M STEVENS
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Filing: 1952-10-20
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Granted: 1957-06-25
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Expires: 1972-10-20
Abstract
No abstract record available.
Inventors
- 👤 Henry T M Rice
- 👤 Robert T Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:31
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/145; B25B23/1456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1479178A
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US2069882A
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US2299956A
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US2379878A
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US2360059A
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US2552840A
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US2616323A
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US2602361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |