Patent US3197591A successfully refreshed from Google Patents.
US3197591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic device having augmenting bimetallic coiled sections
Assignee: Individual
•
Filing: 1961-12-28
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Granted: 1965-07-27
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Expires: 1981-12-28
Abstract
No abstract record available.
Inventors
- 👤 Charles A Thurmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:26
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A THERMOSTATIC ALARM ASSEMBLY COMPRISING, ANCHOR MEANS, FIXED CONTACT MEANS SPACED FROM SAID ANCHOR MEANS AND THERMAL DEFLECTING COIL MENS INCLUDING A COIL SECTION OPERATIVELY CONNECTED TO THE ANCHOR MEANS FOR UNCOILING IN RESPONSE TO AN INCREASE IN THE AMBIENT TEMPERATURE OF ITS SURROUNDING MEDIUM, A REVERSELY COILED SECTION RESPONSIVE TO AN INCREASE IN THE AMBIENT TEMPERATURE OF ITS SURROUNDING MEDIUM FOR COILING SIMULTANEOUSLY WITH SAID UNCOILING OF SAID COIL SECTION, MEANS INTERCONNECTING SAID COIL SECTIONS FOR SIMULTANEOUS COILING AND UNCOILING WITH RESPECT TO MOVABLE COIL CENTERS DISPOSED BETWEEN SAID COIL SECTIONS AND MOVABLE CONTACT MEANS OPERATIVELY CONNECTED TO SAID REVERSELY COILED SECTION FOR DISPLACEMENT BY THE REVERSELY COILED SECTION IN A CONTACT PRESSURE DIRECTION FOR POSITION CONTACT ENGAGEMENT, AND A CONTACT WIPING DIRECTION FOR SURFACE CLEANING OF SAID FIXED CONTACT MEANS.
Claim 2
Dependent Claim
132 words
A THERMOSTATIC ALARM ASSEMBLY COMPRISING, ANCHOR MEANS, FIXED CONTACT MEANS SPACED FROM SAID ANCHOR MEANS AND THERMAL DEFLECTING COIL MENS INCLUDING A COIL SECTION OPERATIVELY CONNECTED TO THE ANCHOR MEANS FOR UNCOILING IN RESPONSE TO AN INCREASE IN THE AMBIENT TEMPERATURE OF ITS SURROUNDING MEDIUM, A REVERSELY COILED SECTION RESPONSIVE TO AN INCREASE IN THE AMBIENT TEMPERATURE OF ITS SURROUNDING MEDIUM FOR COILING SIMULTANEOUSLY WITH SAID UNCOILING OF SAID COIL SECTION, MEANS INTERCONNECTING SAID COIL SECTIONS FOR SIMULTANEOUS COILING AND UNCOILING WITH RESPECT TO MOVABLE COIL CENTERS DISPOSED BETWEEN SAID COIL SECTIONS AND MOVABLE CONTACT MEANS OPERATIVELY CONNECTED TO SAID REVERSELY COILED SECTION FOR DISPLACEMENT BY THE REVERSELY COILED SECTION IN A CONTACT PRESSURE DIRECTION FOR POSITION CONTACT ENGAGEMENT, AND A CONTACT WIPING DIRECTION FOR SURFACE CLEANING OF SAID FIXED CONTACT MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |