Patent US3307403A successfully refreshed from Google Patents.
US3307403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal power element
Assignee: Dole Valve Co
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Filing: 1966-01-18
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Granted: 1967-03-07
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Expires: 1986-01-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Bernett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:30
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/32; G01K5/44; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A TEMPERATURE RESPONSIVE FORCE TRANSMITTING DEVICE COMPRISING: A HOUSING HAVING A BASE CUP PORTION AND A POWER MEMBER GUIDE, SAID BASE CUP PORTION CONTAINING A THERMALLY EXPANSIBLE MATERIAL AND SAID POWER MEMBER GUIDE HAVING A GUIDE OPENING FORMED THEREIN; A RESILIENT BOOT DEPLOYED WITHIN SAID HOUSING AND FORMING A COMMON SEALING WALL BETWEEN SAID BASE CUP AND SAID POWER MEMBER GUIDE; SAID BOOT HAVING A NECK PORTION EXTENDING WITHIN SAID POWER MEMBER GUIDE; A POWER MEMBER SLIDABLY RECEIVED WITHIN SAID GUIDE OPENING AND DISPOSED WITHIN SAID NECK PORTION OF SAID BOOT FOR BEING ACTUATED BY THE EXPANSION OF SAID THERMALLY EXPANSIBLE MATERIAL; AND A BRACE RING MOUNTED WITHIN SAID HOUSING AND URGING SAID NECK PORTION OF SAID BOOT AGAINST THE WALL OF SAID POWER MEMBER GUIDE FORMING SAID GUIDE OPENING, WHEREBY A SEAL IS PROVIDED ABOUT SAID POWER MEMBER AT SAID GUIDE OPENING FOR PREVENTING THE ENTRY OF FLUID AND FOREIGN SUBSTANCES INTO SAID POWER MEMBER GUIDE.
Claim 2
Dependent Claim
157 words
A TEMPERATURE RESPONSIVE FORCE TRANSMITTING DEVICE COMPRISING: A HOUSING HAVING A BASE CUP PORTION AND A POWER MEMBER GUIDE, SAID BASE CUP PORTION CONTAINING A THERMALLY EXPANSIBLE MATERIAL AND SAID POWER MEMBER GUIDE HAVING A GUIDE OPENING FORMED THEREIN; A RESILIENT BOOT DEPLOYED WITHIN SAID HOUSING AND FORMING A COMMON SEALING WALL BETWEEN SAID BASE CUP AND SAID POWER MEMBER GUIDE; SAID BOOT HAVING A NECK PORTION EXTENDING WITHIN SAID POWER MEMBER GUIDE; A POWER MEMBER SLIDABLY RECEIVED WITHIN SAID GUIDE OPENING AND DISPOSED WITHIN SAID NECK PORTION OF SAID BOOT FOR BEING ACTUATED BY THE EXPANSION OF SAID THERMALLY EXPANSIBLE MATERIAL; AND A BRACE RING MOUNTED WITHIN SAID HOUSING AND URGING SAID NECK PORTION OF SAID BOOT AGAINST THE WALL OF SAID POWER MEMBER GUIDE FORMING SAID GUIDE OPENING, WHEREBY A SEAL IS PROVIDED ABOUT SAID POWER MEMBER AT SAID GUIDE OPENING FOR PREVENTING THE ENTRY OF FLUID AND FOREIGN SUBSTANCES INTO SAID POWER MEMBER GUIDE.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |