US3007529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing and synchrophasing system for propellers
Assignee: Motors Liquidation Co
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Filing: 1956-12-24
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Granted: 1961-11-07
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Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 Paul E Brockert
- 👤 David R Gordon
- 👤 Robert K Skinner
- 👤 Joseph C Whitmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:39
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/38; B64C11/40; B64C11/46; B64C11/50; H; H02; H02P; H02P5/00; H02P5/46; H02P5/52; H02P5/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2431687A
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US2482812A
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US2673309A
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US2747141A
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US2761518A
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US2756012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |