US3671329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for sensing temperature
Assignee: National Aeronautics and Space Administration
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Filing: 1969-11-18
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Granted: 1972-06-20
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Expires: 1989-11-18
Abstract
Abstract MEASURING THE SURFACE TEMPERATURE OF A WALL HEATED BY A FLOWING FLUID WITHOUT DISTURBING THE FOUNDRY LAYER. A THIN ELECTRICAL CONDUCTOR FORMING A THERMOCOUPLE JUNCTION IS COVERED BY A LAYER OF PROTECTIVE MATERIAL TO GUIDE THE FLOW OF FLUID OVER THE JUNCTION.
Inventors
- 👤 Ronald G Huff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:22
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/08; G01K13/00
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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |