Patent US2474029A successfully refreshed from Google Patents.
US2474029A
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US
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Tripping device
Assignee: ITE Circuit Breaker Co
•
Filing: 1944-10-11
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Granted: 1949-06-21
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Expires: 1964-10-11
Abstract
No abstract record available.
Inventors
- 👤 Donald I Bohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:42
CPC Classifications
H; H01; H01H; H01H83/00; H01H83/08; H02; H02H; H02H3/00; H02H3/02; H02H3/021
Claims Analysis
Total Claims: 0
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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) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |