US2954512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch circuit
Assignee: Universal Oil Products Co
•
Filing: 1955-09-02
•
Granted: 1960-09-27
•
Expires: 1975-09-02
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Hardison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:58
CPC Classifications
H; H01; H01H; H01H47/00; H01H47/22; H01H47/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2066614A
Cited
US2456256A
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US2504996A
Cited
US2635197A
Cited
US2710365A
Cited
US2764715A
Cited
US2801372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |