US2644534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic torque compensator
Assignee: RTX Corp
•
Filing: 1946-10-05
•
Granted: 1953-07-07
•
Expires: 1966-10-05
Abstract
No abstract record available.
Inventors
- 👤 Harry T Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:12
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1783011A
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US2382707A
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US2327370A
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US2337571A
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US2317342A
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US2503172A
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US2383139A
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US2491191A
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US2496624A
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US2427982A
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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) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |