US2501228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing apparatus
Assignee: Motors Liquidation Co
•
Filing: 1945-10-25
•
Granted: 1950-03-21
•
Expires: 1965-10-25
Abstract
No abstract record available.
Inventors
- 👤 James W Light
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:13
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; H02P5/50; Y; Y10; Y10S; Y10S60/00; Y10S60/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1553407A
Cited
US1571960A
Cited
US2110015A
Cited
US2232751A
Cited
US2433432A
Cited
US2322114A
Cited
US2381250A
Cited
US2443437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |