Patent US2881869A successfully refreshed from Google Patents.
US2881869A
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Temperature compensated time delay means
Assignee: ITE Circuit Breaker Co
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Filing: 1954-04-20
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Granted: 1959-04-14
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Expires: 1974-04-20
Abstract
No abstract record available.
Inventors
- 👤 Charles J Yarrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:41
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/50; F16F9/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1058290A
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US1355217A
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FR642711A
Cited
FR661843A
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US1797799A
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US1955565A
Cited
US1890580A
Cited
US1972908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |