Patent US4233181A successfully refreshed from Google Patents.
Patent US3280285A successfully refreshed from Google Patents.
US3280285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact, low cost, versatile, thermostatic motor protector
Assignee: Texas Instruments Inc
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Filing: 1963-11-25
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Granted: 1966-10-18
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Expires: 1983-11-25
Abstract
No abstract record available.
Inventors
- 👤 Richard T Audette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:35
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/54; H01H37/5418
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A SWITCH COMPRISING: (A) A BASE FORMED OF AN ELECTRICALLY CONDUCTIVE HEAT TRANSMITTING MATERIAL; (B) A FIRST AND SECOND ELECTRICALLY CONDUCTIVE TERMINALS EACH OF WHICH IS MOUNTED ON AND IS ELECTRICALLY INSULATED FROM THE BASE; (C) A FRIST ELECTRICAL CONTACT MOUNTED ON ONE OF THE FIRST AND SECOND TERMINALS; (D) A THERMALLY RESPONSIVE MEMBER CANTILEVER MOUNTED AND ELECTRICALLY CONNECTED TO AT ONE OF ITS ENDS ON A FIRST PORTION OF THE BASE; (E) A SECOND ELECTRICAL CONTACT MOUNTED ON THE OTHER END OF THE THERMALLY RESPONSIVE MEMBER AND POSITIONED FOR MOVEMENT INTO AND OUT OF ENGAGEMENT WITH THE FIRST CONTACT IN RESPONSE TO MOVEMENT OF THE THERMALLY RESPONSIVE MEMBER; AND (F) A HEATER MEMBER, ONE END OF WHICH IS ELECTRCIALLY CONNECTED TO A PORTION OF THE BASE AND THE OTHER END OF WHICH IS ELECTRICALLY CONNECTED TO ONE OF THE FIRST AND SECOND TERMINALS, THE HEATER MEMBER AND BEING LOCATED ALONG A PORTION OF ITS LENGTH IN INTIMATE HEAT TRANSFER RELATIONSHIP WITH THE THERMALLY RESPONSIVE MEMBER AND THE FIRST PORTION OF THE BASE.
Claim 2
Dependent Claim
173 words
A SWITCH COMPRISING: (A) A BASE FORMED OF AN ELECTRICALLY CONDUCTIVE HEAT TRANSMITTING MATERIAL; (B) A FIRST AND SECOND ELECTRICALLY CONDUCTIVE TERMINALS EACH OF WHICH IS MOUNTED ON AND IS ELECTRICALLY INSULATED FROM THE BASE; (C) A FRIST ELECTRICAL CONTACT MOUNTED ON ONE OF THE FIRST AND SECOND TERMINALS; (D) A THERMALLY RESPONSIVE MEMBER CANTILEVER MOUNTED AND ELECTRICALLY CONNECTED TO AT ONE OF ITS ENDS ON A FIRST PORTION OF THE BASE; (E) A SECOND ELECTRICAL CONTACT MOUNTED ON THE OTHER END OF THE THERMALLY RESPONSIVE MEMBER AND POSITIONED FOR MOVEMENT INTO AND OUT OF ENGAGEMENT WITH THE FIRST CONTACT IN RESPONSE TO MOVEMENT OF THE THERMALLY RESPONSIVE MEMBER; AND (F) A HEATER MEMBER, ONE END OF WHICH IS ELECTRCIALLY CONNECTED TO A PORTION OF THE BASE AND THE OTHER END OF WHICH IS ELECTRICALLY CONNECTED TO ONE OF THE FIRST AND SECOND TERMINALS, THE HEATER MEMBER AND BEING LOCATED ALONG A PORTION OF ITS LENGTH IN INTIMATE HEAT TRANSFER RELATIONSHIP WITH THE THERMALLY RESPONSIVE MEMBER AND THE FIRST PORTION OF THE BASE.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |