US3515829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current-limiting circuit breaker with novel arc initiating and extinguishing means
Assignee: General Electric Co
•
Filing: 1968-10-10
•
Granted: 1970-06-02
•
Expires: 1988-10-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Hurtle
- 👤 Henry G Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:44
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/302; H01H9/34; H01H9/342; H01H9/346; H01H9/36; H01H9/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2538370A
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US2575730A
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US2626331A
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Cited
US3031552A
Cited
US3059081A
Cited
DE1129206B
Cited
FR1331783A
Cited
AT230990B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |