Patent US986185A successfully refreshed from Google Patents.
Patent US3239633A successfully refreshed from Google Patents.
US3239633A
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Narrow temperature differential thermostatic control
Assignee: Therm O Disc Inc
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Filing: 1962-10-02
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Granted: 1966-03-08
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Expires: 1982-10-02
Abstract
No abstract record available.
Inventors
- 👤 Howard W Bletz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:53
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/12; H01H37/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A THERMOSTATIC CONTROL DEVICE, A SWITCH ASSEMBLY COMPRISING A FIXED CONTACT MEMBER AND A MOBILE CONTACTCARRYING MEMBER COMPRISING AN OVER-CENTER SNAP-ACTING ELEMENT CANTILEVER MOUNTED AND HAVING A MOBILE CONTACT MOUNTED ON THE FREE END THEREOF WITH SNAP MEANS BETWEEN THE FIXED END AND THE FREE END TO MOVE SAID MOBILE CONTACT INTO AND OUT OF ENGAGEMENT WITH THE FIXED CONTACT MEMBER WITH A SNAP ACTION, MEANS CONFINING SAID SNAPACTING ELEMENT TO MOVEMENT BETWEEN TWO PREDETERMINED POINTS ON ONE SIDE OF THE OVERCENTER POSITION AND BEING BIASED TO APPLY FORCE IN ONE DIRECTION ONLY BETWEEN ITS LIMITS OF MOVEMENT, AND MEANS TO APPLY THERMALLY INDUCED PRESSURE TO EFFECT MOVEMENT, OF SAID SNAP-ACTING ELEMENT BETWEEN ITS EXTREME POINTS OF MOVEMENT IN RESPONSE TO CHANGES IN TEMPERATURE.
Claim 2
Dependent Claim
125 words
IN A THERMOSTATIC CONTROL DEVICE, A SWITCH ASSEMBLY COMPRISING A FIXED CONTACT MEMBER AND A MOBILE CONTACTCARRYING MEMBER COMPRISING AN OVER-CENTER SNAP-ACTING ELEMENT CANTILEVER MOUNTED AND HAVING A MOBILE CONTACT MOUNTED ON THE FREE END THEREOF WITH SNAP MEANS BETWEEN THE FIXED END AND THE FREE END TO MOVE SAID MOBILE CONTACT INTO AND OUT OF ENGAGEMENT WITH THE FIXED CONTACT MEMBER WITH A SNAP ACTION, MEANS CONFINING SAID SNAPACTING ELEMENT TO MOVEMENT BETWEEN TWO PREDETERMINED POINTS ON ONE SIDE OF THE OVERCENTER POSITION AND BEING BIASED TO APPLY FORCE IN ONE DIRECTION ONLY BETWEEN ITS LIMITS OF MOVEMENT, AND MEANS TO APPLY THERMALLY INDUCED PRESSURE TO EFFECT MOVEMENT, OF SAID SNAP-ACTING ELEMENT BETWEEN ITS EXTREME POINTS OF MOVEMENT IN RESPONSE TO CHANGES IN TEMPERATURE.
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |