US3131269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally expandable actuator means for thermal switch
Assignee: Antioch College
•
Filing: 1959-11-02
•
Granted: 1964-04-28
•
Expires: 1979-11-02
Abstract
No abstract record available.
Inventors
- 👤 Asakawa George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:27
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/36; Y; Y10; Y10S; Y10S33/00; Y10S33/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN A THERMAL RESPONSE DEVICE, A CASING, A THERMALLY EXPANDABLE POWER ELEMENT DISPOSED WITHIN SAID CASING, A MOVABLE PISTON HAVING ONE END PROJECTING INTO SAID CASING AND INTO POSITIVE CONTACT WITH SAID POWER ELEMENT, AND LOST MOTION CONNECTION MEANS BETWEEN SAID PISTON AND SAID POWER ELEMENT ACCOMMODATING INITIAL POWER ELEMENT EXPANSION WITHOUT RELATIVE PISTONPOWER ELEMENT DISPLACEMENT AND SUBSEQUENT POWER ELEMENT EXPANSION WITH RELATIVE PISTON-POWER ELEMENT DISPLACEMENT.
Claim 2
Dependent Claim
66 words
IN A THERMAL RESPONSE DEVICE, A CASING, A THERMALLY EXPANDABLE POWER ELEMENT DISPOSED WITHIN SAID CASING, A MOVABLE PISTON HAVING ONE END PROJECTING INTO SAID CASING AND INTO POSITIVE CONTACT WITH SAID POWER ELEMENT, AND LOST MOTION CONNECTION MEANS BETWEEN SAID PISTON AND SAID POWER ELEMENT ACCOMMODATING INITIAL POWER ELEMENT EXPANSION WITHOUT RELATIVE PISTONPOWER ELEMENT DISPLACEMENT AND SUBSEQUENT POWER ELEMENT EXPANSION WITH RELATIVE PISTON-POWER ELEMENT DISPLACEMENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |