US2451535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple control
Assignee: Motors Liquidation Co
•
Filing: 1943-01-29
•
Granted: 1948-10-19
•
Expires: 1963-01-29
Abstract
No abstract record available.
Inventors
- 👤 Harry F Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:01
CPC Classifications
H; H01; H01H; H01H61/00; H01H61/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US276702A
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US1817592A
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US1339900A
Cited
US1978737A
Cited
GB392490A
Cited
US2158288A
Cited
US2175032A
Cited
US2300418A
Cited
US2295340A
Cited
US2302250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |