Patent US2781682A successfully refreshed from Google Patents.
US2781682A
Expired / Lapsed
US
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Torque wrench driven by fluid coupling
Assignee: Motors Liquidation Co
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Filing: 1955-02-28
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Granted: 1957-02-19
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Expires: 1975-02-28
Abstract
No abstract record available.
Inventors
- 👤 Walter B Herndon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:25
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/06; B23P19/069; B25; B25B; B25B21/00; B25B21/002; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19019; Y10T74/19023; Y10T74/19051; Y10T74/19056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2069882A
Cited
US2616323A
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US2691314A
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US2627770A
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US2651228A
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US2649870A
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US2720803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-19 | 1960-08-20 | 1961-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-19 | 1964-08-20 | 1965-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-19 | 1968-08-20 | 1969-02-19 | $7700.00 | Window Closed / Lapsed |