US2706962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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 19:00
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)
US1018582A
Cited
GB332237A
Cited
CH172118A
Cited
US2558743A
Cited
US2518928A
Cited
US2457286A
Cited
US2577492A
Cited
FR993338A
Cited
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 |