US2928997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coordinated circuit breaker and current limiting device
Assignee: ITE Circuit Breaker Co
•
Filing: 1955-05-10
•
Granted: 1960-03-15
•
Expires: 1975-05-10
Abstract
No abstract record available.
Inventors
- 👤 Edmunds William Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:01
CPC Classifications
H; H01; H01H; H01H83/00; H01H83/20; H01H71/00; H01H71/10; H01H71/12; H01H71/122; H01H2083/203; H02; H02H; H02H3/00; H02H3/24
Claims Analysis
Total Claims: 0
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US2697148A
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US2823338A
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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) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |