Patent US3306109A successfully refreshed from Google Patents.
US3306109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulator insert for thermal sensing device
Assignee: Robertshaw Controls Co
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Filing: 1963-07-11
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Granted: 1967-02-28
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Michael J Caparone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:17
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/40; F24H9/45; F24H9/455; H; H01; H01H; H01H37/00; H01H37/02; H01H37/04; H01H37/043; H05; H05B; H05B3/00; H05B3/78; H05B3/82; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
IN COMBINATION, A THERMOSTAT AND A MOUNTING ASSEMBLY FOR A WATER HEATER HAVING A MOUNTING APERTURE, SAID MOUNTING ASSEMBLY COMPRISING A METALLIC SHANK ADAPTED TO BE RIGIDLY FASTENED TO THE WATER HEATER, A CENTER BORE OPENING INTO A CYLINDRICAL CAVITY AT ONE END OF SAID SHANK, SAID THERMOSTAT BEING FORMED OF METAL DISSIMILAR TO SAID METALLIC SHANK AND COMPRISING A ROD DISPOSED WITHIN A HOLLOW TUBE AND SPACED FROM THE INNER WALL THEREOF, SAID HOLLOW TUBE HAVING A CLOSED END ADAPTED TO PROJECT INTO THE WATER HEATER AND AN OPEN END SECURED WITHIN SAID CENTER BORE, AN INSULATING SLEEVE COVERING SAID TUBE BETWEEN SAID CAVITY AND SAID CLOSED END OF THE TUBE, THE IMPROVEMENT COMPRISING AN INSERT HAVING A TUBULAR BODY WITH LIP MEANS AT ONE END AND FLANGE MEANS AT THE OPPOSITE END, SAID LIP MEANS ABUTTING THE SHANK SURFACE ADJACENT TO SAID CAVITY TO POSITION SAID BODY WITHIN SAID CAVITY, AND SAID FLANGE MEANS BEING ENGAGED BY SAID INSULATING SLEEVE TO RETAIN SAID INSERT WITHIN SAID CAVITY.
Claim 2
Dependent Claim
169 words
IN COMBINATION, A THERMOSTAT AND A MOUNTING ASSEMBLY FOR A WATER HEATER HAVING A MOUNTING APERTURE, SAID MOUNTING ASSEMBLY COMPRISING A METALLIC SHANK ADAPTED TO BE RIGIDLY FASTENED TO THE WATER HEATER, A CENTER BORE OPENING INTO A CYLINDRICAL CAVITY AT ONE END OF SAID SHANK, SAID THERMOSTAT BEING FORMED OF METAL DISSIMILAR TO SAID METALLIC SHANK AND COMPRISING A ROD DISPOSED WITHIN A HOLLOW TUBE AND SPACED FROM THE INNER WALL THEREOF, SAID HOLLOW TUBE HAVING A CLOSED END ADAPTED TO PROJECT INTO THE WATER HEATER AND AN OPEN END SECURED WITHIN SAID CENTER BORE, AN INSULATING SLEEVE COVERING SAID TUBE BETWEEN SAID CAVITY AND SAID CLOSED END OF THE TUBE, THE IMPROVEMENT COMPRISING AN INSERT HAVING A TUBULAR BODY WITH LIP MEANS AT ONE END AND FLANGE MEANS AT THE OPPOSITE END, SAID LIP MEANS ABUTTING THE SHANK SURFACE ADJACENT TO SAID CAVITY TO POSITION SAID BODY WITHIN SAID CAVITY, AND SAID FLANGE MEANS BEING ENGAGED BY SAID INSULATING SLEEVE TO RETAIN SAID INSERT WITHIN SAID CAVITY.
References Cited (Backward Citations)
US2954696A
Cited
US3117205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |