US2649816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission and reaction torque device
Assignee: Knowles Associates
•
Filing: 1949-03-31
•
Granted: 1953-08-25
•
Expires: 1969-03-31
Abstract
No abstract record available.
Inventors
- 👤 Kuster Otto Richard
- 👤 Robert C Ried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:51
CPC Classifications
B; B04; B04B; B04B1/00; B04B1/20; B04B1/2016; B04B2001/2025; B04B2001/2083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2184598A
Cited
US1227456A
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US1655426A
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US1611989A
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FR876531A
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US2364448A
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US2433864A
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FR932655A
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US2525822A
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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) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |