US2600734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Totalized current release device for circuit breakers
Assignee: Individual
•
Filing: 1946-08-30
•
Granted: 1952-06-17
•
Expires: 1966-08-30
Abstract
No abstract record available.
Inventors
- 👤 Wallace A Coburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:04
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H02; H02H; H02H7/00; H02H7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US689836A
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US831071A
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US1173569A
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US1281482A
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US1457109A
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US1714722A
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FR616288A
Cited
US1920037A
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DE600489C
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US2066935A
Cited
US2185524A
Cited
US2312753A
Cited
US2494346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |