US3128043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fail safe thermostat
Assignee: Individual
•
Filing: 1962-04-30
•
Granted: 1964-04-07
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Feinberg Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:11
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024; G05D23/026; Y; Y10; Y10S; Y10S236/00; Y10S236/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN ACTUATOR DEVICE COMPRISING AN ELONGATED HOUSING, ACTUATING MATERIAL COMPRISING AN ANNULAR, EXPANDABLE, HEAT-SENSITIVE PLASTIC RECEIVED WITHIN SAID HOUSING, FIRST MOVABLE MEANS ENGAGING ONE END OF THE ACTUATING MATERIAL, SECOND MOVABLE MEANS ENGAGING THE OPPOSITE END OF SAID ACTUATING MATERIAL, OPERATING MEANS EXTENDING THROUGH THE ACTUATING MATERIAL AND OPERATIVELY COUPLED TO SAID FIRST AND SECOND MOVABLE MEANS, SAID OPERATING MEANS HAVING ONE END PORTION EXTENDING TO THE EXTERIOR OF SAID HOUSING, AND MEANS ASSOCIATED WITH SAID SECOND MOVABLE MEANS FOR DRIVING SAID OPERATING MEANS TOWARD SAID FIRST MOVABLE MEANS WHEN SAID ACTUATING MATERIAL IS REMOVED FROM SAID HOUSING.
Claim 2
Dependent Claim
98 words
AN ACTUATOR DEVICE COMPRISING AN ELONGATED HOUSING, ACTUATING MATERIAL COMPRISING AN ANNULAR, EXPANDABLE, HEAT-SENSITIVE PLASTIC RECEIVED WITHIN SAID HOUSING, FIRST MOVABLE MEANS ENGAGING ONE END OF THE ACTUATING MATERIAL, SECOND MOVABLE MEANS ENGAGING THE OPPOSITE END OF SAID ACTUATING MATERIAL, OPERATING MEANS EXTENDING THROUGH THE ACTUATING MATERIAL AND OPERATIVELY COUPLED TO SAID FIRST AND SECOND MOVABLE MEANS, SAID OPERATING MEANS HAVING ONE END PORTION EXTENDING TO THE EXTERIOR OF SAID HOUSING, AND MEANS ASSOCIATED WITH SAID SECOND MOVABLE MEANS FOR DRIVING SAID OPERATING MEANS TOWARD SAID FIRST MOVABLE MEANS WHEN SAID ACTUATING MATERIAL IS REMOVED FROM SAID HOUSING.
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |