US2503154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Escapement type time delay for circuit breaker trip mechanisms
Assignee: ITE Circuit Breaker Co
•
Filing: 1945-05-23
•
Granted: 1950-04-04
•
Expires: 1965-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert C Graves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:00
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/44; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1502
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1123288A
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US1154359A
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US1702204A
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US1768452A
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US1764382A
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US1738461A
Cited
US2419892A
Cited
US2393736A
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US2439165A
Cited
US2486595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |