US3405380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal relay having separate heater means to open or close the relay
Assignee: McGraw Edison Co
•
Filing: 1965-12-06
•
Granted: 1968-10-08
•
Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Richard E Riebs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:38
CPC Classifications
H; H01; H01H; H01H61/00; H01H61/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2338474A
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US2489391A
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US2502180A
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US2498127A
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US3159824A
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US2920165A
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US2814686A
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US3196233A
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US3274359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |