Patent US2673309A successfully refreshed from Google Patents.
US2673309A
Expired / Lapsed
US
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Biasing type electronic synchronizer
Assignee: Motors Liquidation Co
•
Filing: 1949-05-24
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Granted: 1954-03-23
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Expires: 1969-05-24
Abstract
No abstract record available.
Inventors
- 👤 James W Light
- 👤 Robert C Treseder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:58
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; H02P5/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1899595A
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US2258462A
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US2231133A
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US2408451A
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US2322114A
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US2404344A
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US2551306A
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US2517703A
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US2503105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |