US3317693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap acting thermal disc with bent-over angulated leaf spring contact member
Assignee: Therm O Disc Inc
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Filing: 1964-10-21
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Granted: 1967-05-02
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Expires: 1984-10-21
Abstract
No abstract record available.
Inventors
- 👤 John D Bolesky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:36
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/54
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
153 words
A THERMOSTATIC CONTROL DEVICE COMPRISING A HOUSING DEFINING A SWITCH CHAMBER HAVING A CLOSED END AND AN OPEN END, SWITCH MEANS MOUNTED WITHIN SAID SWITCH CHAMBER INCLUDING A FIXED CONTACT, AND, A MOBILE CONTACT ADAPTED TO ENGAGE THE FIXED CONTACT, MEANS FOR SUPPORTING SAID MOBILE CONTACT COMPRISING A CANTILEVER MOUNTED ARM SPANNING SUBSTANTIALLY THE DIAMETER OF THE SWITCH CHAMBER, SAID ARM HAVING AN OFFSET PORTION REVERSELY BENT ALONG A TRANSVERSE LINE AND ANGULATED FROM THE PLANE OF THE ARM AND SECURED TO A TERMINAL POST CIRCUMFERENTIALLY SPACED THEREFROM, SAID ANGULATED PORTION HAVING A FOLD THEREIN TO BIAS THE ARM AGAINST THE CLOSED END WALL AT SAID TRANSVERSE BEND, AND MEANS MOUNTED IN THE OPEN END OF SAID SWITCH CHAMBER INCLUDING A BIMETALLIC MEMBER HAVING TWO OPPOSITE POSITIONS OF A STABILITY AND ENGAGEABLE WITH SAID CANTILEVER MOUTED ARM IN ONE OF SAID POSITIONS TO MOVE THE MOBILE CONTACT WITH RESPECT TO THE FIXED CONTACT.
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |