US2737551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupter
Assignee: SOUTHERN STATES EQUIPMENT Corp
•
Filing: 1953-05-08
•
Granted: 1956-03-06
•
Expires: 1973-05-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Curtis
- 👤 Montmollin James M De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:03
CPC Classifications
H; H01; H01H; H01H31/00; H01H31/02; H01H31/12; H01H31/122; H01H31/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2493432A
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US2458742A
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US2514163A
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US2550444A
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US2625623A
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US2680171A
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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) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |