US2839633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaking device
Assignee: Motors Liquidation Co
•
Filing: 1954-07-28
•
Granted: 1958-06-17
•
Expires: 1974-07-28
Abstract
No abstract record available.
Inventors
- 👤 David F Moyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:52
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/74; H01H71/7409; H01H2071/109
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2217488A
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US2214645A
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US2361162A
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US2418537A
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US2436909A
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US2455011A
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US2707738A
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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) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |