US3333471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal sensitive element
Assignee: Antioch College
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Filing: 1964-03-04
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Granted: 1967-08-01
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Norman T Terp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:21
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/36; F; F03; F03G; F03G7/00; F03G7/06; F03G7/061; F03G7/06112; F03G7/06113; 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
147 words
A TEMPERATURE RESPONSIVE FORCE TRANSMITTING DEVICE COMPRISING: A CUP CONTAINING A THERMALLY EXPANSIBLE MATERIAL AND HAVING AN OUT-TURNED FLANGE, A PISTON GUIDE HAVING AN OUT-TURNED FLANGE, ONE ANNULAR GROOVE FORMED WITHIN EACH FLANGE, A RESILIENT BOOT HAVING AN INTEGRAL ANNULAR BEAD FORMED THEREAROUND AND HAVING A NONCONFORMING SURFACE OVERLYING SAID ANNULAR GROOVE, MEANS INTERCONNECTING SAID FLANGES AND COMPRESSING SAID BEAD THEREBETWEEN AND CAUSING THE BEAD MATERIAL TO BE RESILIENTLY FORCED INTO AND CONFORMING TO THE GROOVE. SAID GROOVE IN THE CUP FLANGE AND THE GROOVE IN THE GUIDE FLANGE BEING CIRCUMFERENTIALLY NON-ALIGNED, A PISTON GUIDED FOR RECTILINEAR MOVEMENT WITHIN SAID GUIDE AND SEATED ON THE BOOT, WHEREBY EXPANSION OF THE THERMALLY EXPANSIBLE MATERIAL WILL CAUSE SAID PISTON TO MOVE EXTENSIVELY FROM SAID GUIDE AND WHEREIN THE RESILIENT FORCING OF THE BEAD MATERIAL INTO THE GROOVE SEALS THE FLANGES AND RESISTS RADIAL INWARD FORCES EXERTED ON THE BEAD.
Claim 2
Dependent Claim
147 words
A TEMPERATURE RESPONSIVE FORCE TRANSMITTING DEVICE COMPRISING: A CUP CONTAINING A THERMALLY EXPANSIBLE MATERIAL AND HAVING AN OUT-TURNED FLANGE, A PISTON GUIDE HAVING AN OUT-TURNED FLANGE, ONE ANNULAR GROOVE FORMED WITHIN EACH FLANGE, A RESILIENT BOOT HAVING AN INTEGRAL ANNULAR BEAD FORMED THEREAROUND AND HAVING A NONCONFORMING SURFACE OVERLYING SAID ANNULAR GROOVE, MEANS INTERCONNECTING SAID FLANGES AND COMPRESSING SAID BEAD THEREBETWEEN AND CAUSING THE BEAD MATERIAL TO BE RESILIENTLY FORCED INTO AND CONFORMING TO THE GROOVE. SAID GROOVE IN THE CUP FLANGE AND THE GROOVE IN THE GUIDE FLANGE BEING CIRCUMFERENTIALLY NON-ALIGNED, A PISTON GUIDED FOR RECTILINEAR MOVEMENT WITHIN SAID GUIDE AND SEATED ON THE BOOT, WHEREBY EXPANSION OF THE THERMALLY EXPANSIBLE MATERIAL WILL CAUSE SAID PISTON TO MOVE EXTENSIVELY FROM SAID GUIDE AND WHEREIN THE RESILIENT FORCING OF THE BEAD MATERIAL INTO THE GROOVE SEALS THE FLANGES AND RESISTS RADIAL INWARD FORCES EXERTED ON THE BEAD.
References Cited (Backward Citations)
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |