Patent US2706962A successfully refreshed from Google Patents.
US2706962A
Expired / Lapsed
US
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Bimetallic thermometer
Assignee: Weston Electric Instrument Corp
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Filing: 1951-12-07
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Granted: 1955-04-26
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Expires: 1971-12-07
Abstract
No abstract record available.
Inventors
- 👤 Earl R Kebbon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:46
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/48; G01K5/56; G01K5/62; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A MAXIMUM AND MINIMUM INDICATOR AND RESET MECHANISM FOR A BIMETALLIC THERMOMETER OF THE TYPE COMPRISING A ROTATABLE MAIN POINTER VISIBLE THROUGH A TRANSPARENT COVER CLOSING THE THERMOMETER HOUSING, SAID MECHANISM COMPRISING A HOLLOW BUSHING AND INCLUDING THROUGH A CENTRAL OPENING IN THE COVER, SAID BUSHING BEING SECURED IN FIXED POSITION RELATIVE TO THE COVER; A SHAFT EXTENDING THROUGH THE BUSHING AND INCLUDING AND ENLARGED-DIAMETER FLANGE DISPOSED WITHIN THE HOUSING AND SPACED FROM THE INNER END OF THE SAID BUSHING; A PAIR OF AUXILIARY POINTERS ROTATABLY CARRIED BY THE SHAFT, SAID POINTERS ADAPTED TO BE ENGAGED BY THE MAIN POINTER AND ROTATED ABOUT THE SHAFT; A RESET ARM HAVING ONE END OFFSET TO ENGAGE EACH OF THE AUXILIARY POINTERS AND THE OTHER END PIVOTALLY SECURED TO THE SAID FLANGE PORTION OF THE SHAFT; A THIN FILM OF SILICONE GREASE BETWEEN THE CO-ACTING SURFACES OF THE RESET ARM AND FLANGE PROTION; AND A FINGER-OPERABLE KNOB EXTERNAL OF THE COVER AND SECURED TO THE SAID SHAFT.
Claim 2
Dependent Claim
164 words
A MAXIMUM AND MINIMUM INDICATOR AND RESET MECHANISM FOR A BIMETALLIC THERMOMETER OF THE TYPE COMPRISING A ROTATABLE MAIN POINTER VISIBLE THROUGH A TRANSPARENT COVER CLOSING THE THERMOMETER HOUSING, SAID MECHANISM COMPRISING A HOLLOW BUSHING AND INCLUDING THROUGH A CENTRAL OPENING IN THE COVER, SAID BUSHING BEING SECURED IN FIXED POSITION RELATIVE TO THE COVER; A SHAFT EXTENDING THROUGH THE BUSHING AND INCLUDING AND ENLARGED-DIAMETER FLANGE DISPOSED WITHIN THE HOUSING AND SPACED FROM THE INNER END OF THE SAID BUSHING; A PAIR OF AUXILIARY POINTERS ROTATABLY CARRIED BY THE SHAFT, SAID POINTERS ADAPTED TO BE ENGAGED BY THE MAIN POINTER AND ROTATED ABOUT THE SHAFT; A RESET ARM HAVING ONE END OFFSET TO ENGAGE EACH OF THE AUXILIARY POINTERS AND THE OTHER END PIVOTALLY SECURED TO THE SAID FLANGE PORTION OF THE SHAFT; A THIN FILM OF SILICONE GREASE BETWEEN THE CO-ACTING SURFACES OF THE RESET ARM AND FLANGE PROTION; AND A FINGER-OPERABLE KNOB EXTERNAL OF THE COVER AND SECURED TO THE SAID SHAFT.
References Cited (Backward Citations)
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GB332237A
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CH172118A
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US2558743A
Cited
US2518928A
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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) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |