US3139752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual thermoelement system for measuring rapidly changing fluid temperatures and thermo-elements therefor
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1959-03-16
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Granted: 1964-07-07
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Expires: 1979-03-16
Abstract
No abstract record available.
Inventors
- 👤 Warren H Giedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:05
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/14; G01K13/00; G01K13/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
A TEMPERATURE SENSING SYSTEM FOR DETERMINING THE INSTANTANEOUS TEMPERATURE TG OF A FLUID COMPRISING: FIRST AND SECOND THERMAL ELEMENTS HAVING UNEQUAL THERMAL CAPACITIES, AND SO DISPOSED IN SAID FLUID THAT THE TOTAL SURFACE HEAT TRANSFER CONDUCTANCES OF SAID ELEMENTS ARE EQUAL; THE OUTPUT OF SAID THERMAL ELEMENTS BEING CONNECTED WITH A COMPUTER FOR CALCULATING SAID INSTANTANEOUS TEMPERATURE TG IN ACCORDANCE WITH THE FORMULA:
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US1994757A
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US2221633A
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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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |