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US3453566A
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US
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Automatic current limiting circuit breaker
Assignee: Individual
•
Filing: 1967-01-23
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Granted: 1969-07-01
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Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Yasuo Kasahara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:16
CPC Classifications
H; H01; H01H; H01H77/00; H01H77/02; H01H77/06; H01H77/08; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1687515A
Cited
US2467720A
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US2911502A
Cited
US3127488A
Cited
US3215799A
Cited
US3218406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |