US3122018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument with improved calibration adjustment
Assignee: Daystrom Inc
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Filing: 1962-02-19
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Granted: 1964-02-25
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Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Robert W Freeman
- 👤 George F Hageman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:47
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/48; G01K5/56; G01K5/62; G01K5/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN A THERMOMETER INSTRUMENT, MEANS FOR CALIBRATING SAID THERMOMETER WITHOUT DISASSEMBLING SAID INSTRUMENT COMPRISING: A CASE, INDICATING MEANS CONTAINED WITHIN SAID CASE, SAID INDICATING MEANS INCLUDING A SCALE DISPOSED IN FIXED RELATIONSHIP WITH SAID CASE AND A POINTER MOVABLE WITH RESPECT TO SAID SCALE, A STEM ASSEMBLY MECHANICALLY CONNECTED AT ONE END TO SAID CASE AND HOUSING A THERMALLY RESPONSIVE ELEMENT, SAID ELEMENT BEING SECURED AT ONE END IN FIXED RELATIONSHIP WITH SAID ASSEMBLY, MEANS CONNECTING THE OTHER END OF SAID ELEMENT TO SAID POINTER, RESILIENT MEANS FOR MAINTAINING FRICTIONAL ENGAGEMENT BETWEEN SAID CASE AND SAID ONE END OF SAID STEM ASSEMBLY TO PREVENT MOVEMENT BETWEEN SAID CASE AND ASSEMBLY DURING ORDINARY USE, AND SAID STEM ASSEMBLY INCLUDING HOLDING MEANS FOR HOLDING SAID ASSEMBLY WHILE ROTATING SAID CASE TO THEREBY CAUSE MOVEMENT BETWEEN SAID SCALE AND SAID POINTER FOR CALIBRATING SAID THERMOMETER, SAID HOLDING MEANS INCLUDES A NUT SECURED TO SAID STEM ASSEMBLY, SAID NUT HAVING A RECESS FOR HOLDING A CIRCULAR COMPRESSIBLE RING IN BEARING ENGAGEMENT WITH THE OUTER SURFACE OF SAID CASE.
Claim 2
Dependent Claim
174 words
IN A THERMOMETER INSTRUMENT, MEANS FOR CALIBRATING SAID THERMOMETER WITHOUT DISASSEMBLING SAID INSTRUMENT COMPRISING: A CASE, INDICATING MEANS CONTAINED WITHIN SAID CASE, SAID INDICATING MEANS INCLUDING A SCALE DISPOSED IN FIXED RELATIONSHIP WITH SAID CASE AND A POINTER MOVABLE WITH RESPECT TO SAID SCALE, A STEM ASSEMBLY MECHANICALLY CONNECTED AT ONE END TO SAID CASE AND HOUSING A THERMALLY RESPONSIVE ELEMENT, SAID ELEMENT BEING SECURED AT ONE END IN FIXED RELATIONSHIP WITH SAID ASSEMBLY, MEANS CONNECTING THE OTHER END OF SAID ELEMENT TO SAID POINTER, RESILIENT MEANS FOR MAINTAINING FRICTIONAL ENGAGEMENT BETWEEN SAID CASE AND SAID ONE END OF SAID STEM ASSEMBLY TO PREVENT MOVEMENT BETWEEN SAID CASE AND ASSEMBLY DURING ORDINARY USE, AND SAID STEM ASSEMBLY INCLUDING HOLDING MEANS FOR HOLDING SAID ASSEMBLY WHILE ROTATING SAID CASE TO THEREBY CAUSE MOVEMENT BETWEEN SAID SCALE AND SAID POINTER FOR CALIBRATING SAID THERMOMETER, SAID HOLDING MEANS INCLUDES A NUT SECURED TO SAID STEM ASSEMBLY, SAID NUT HAVING A RECESS FOR HOLDING A CIRCULAR COMPRESSIBLE RING IN BEARING ENGAGEMENT WITH THE OUTER SURFACE OF SAID CASE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |