Patent US10818A successfully refreshed from Google Patents.
US2740902A
Expired / Lapsed
US
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Power supply system
Assignee: Motors Liquidation Co
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Filing: 1952-01-14
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Granted: 1956-04-03
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Expires: 1972-01-14
Abstract
No abstract record available.
Inventors
- 👤 Charles W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:05
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2162520A
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US2276832A
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US2374781A
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US2535651A
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US2549923A
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US2600247A
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US2565621A
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US2543902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |