US3423712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal protective device having rapid response to sudden high overloads and delayed response to moderate overloads
Assignee: General Electric Canada Co
•
Filing: 1966-03-17
•
Granted: 1969-01-21
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Expires: 1986-03-17
Abstract
No abstract record available.
Inventors
- 👤 John F Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:33
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/30; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/74; H01H71/7427; H01H71/7436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2875296A
Cited
US2911501A
Cited
US2978557A
Cited
US3113194A
Cited
US3038051A
Cited
US3238335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |