US3483432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hybrid electromechanical-semiconductor circuit breaker
Assignee: AMSTAR TECHNICAL PRODUCTS COMPANY Inc A CORP OF DE
•
Filing: 1966-12-13
•
Granted: 1969-12-09
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Expires: 1986-12-13
Abstract
No abstract record available.
Inventors
- 👤 Daniel L Neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:00
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1582987A
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US2335888A
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US2544719A
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US2738395A
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US2841669A
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US2919324A
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US3170095A
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US3214644A
Cited
US3304444A
Cited
US3384790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |