US3149214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally responsive cam-controlled cycling switch
Assignee: General Electric Co
•
Filing: 1963-05-29
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Granted: 1964-09-15
•
Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Weeks Walter Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:12
CPC Classifications
H; H01; H01H; H01H61/00; H01H61/06; H01H61/066
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
A THERMOSTATIC TEMPERATURE CONTROL DEVICE COMPRISING A TEMPERATURE SENSING MEANS THAT IS COMBINED WITH AN ELECTRICAL SWITCH MEMBER WHICH IS ADAPTED TO BE CONNECTED IN A POWER SUPPLY CIRCUIT OF A HEAT GENERATING MEANS, THE SWITCH MEMBER HAVING A FIRST AND A SECOND SWITCH CONTACT MEANS, THE FIRST SWITCH CONTACT MEANS BEING CONNECTED TO THE TEMPERATURE SENSING MEANS, AND A STEPPED CAM PLATE PIVOTALLY CONNECTED TO THE DEVICE, THE SECOND SWITCH CONTACT MEANS BEING CONNECTED TO THE STEPPED CAM PLATE BY MEANS OF A CAM FOLLOWER, AND RELIEF SPRING MEANS RESILIENTLY SUPPORTING THE CAM FOLLOWER WITH RESPECT TO THE SECOND SWITCH CONTACT MEANS, SAID RELIEF SPRING MEANS SERVING TO PREVENT THE OVERSTRESSING OF THE SENSING MEANS WHEN THE CONTROL DEVICE IS COLD.
References Cited (Backward Citations)
US2343255A
Cited
US2793270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |