US3623370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature bimetal thermometer
Assignee: Weston Instruments Inc
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Filing: 1970-01-27
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Granted: 1971-11-30
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Expires: 1990-01-27
Abstract
Abstract A HIGH TEMPERATURE THERMOMETER EMPLOYING A BIMETALLIC TEMPERATURE SENSING ELEMENT ADJACENT ONE END OF A SEALED HOUSING. AN OXYGEN GETTER IS LOCATED ADJACENT THE BIMETAL ELEMENT THAT REMOVES FROM ATMOSPHERE WITHIN SAID SEALED HOUSING TRACE AMOUNTS OF OXYGEN. AN INDICATOR IS WITHIN SAID SEALED HOUSING REMOTE FROM THE BIMETALLIC ELEMENT AND A TEMPERATURE SCALE IS SECURED TO SAID HOUSING ADJACENT SAID INDICATOR. A FORCE TRANSMITTER IS CONNECTED BETWEEN THE BIMETALLIC ELEMENT AND INDICATOR TO MOVE SAID INDICATOR IN RESPONSE TO THERMAL EXPANSION OF SAID BIMETALLIC ELEMENT.
Inventors
- 👤 Robert E Busch
- 👤 Robert W Freeman
- 👤 Robert T Luedeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:26
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/48; G01K5/56; G01K5/62; G01K5/64; G01K5/66; G01K5/70; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49758; Y10T29/4976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |