Patent US3333472A successfully refreshed from Google Patents.
US3333472A
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US
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Temperature compensated transducer
Assignee: Electro Optical Systems Inc
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Filing: 1965-10-04
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Granted: 1967-08-01
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Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 William H Mclellan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:53
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/04; G01L9/00; G01L9/0041; G01L9/0051; G01L9/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN A PRESSURE RESPONSIVE TRANSDUCER HAVING A CASING DEFINING A TUBULAR PORTION TERMINATING IN A SUBSTANTIALLY PLANAR OPEN END SURFACE TO WHICH A FLEXIBLE DIAPHRAGM IS SECURED IN FLUID-TIGHT RELATIONSHIP, THE IMPROVEMENT COMPRISING A RING FITTED TO SAID TUBULAR PORTION OF SAID CASING ADJACENT SAID DIAPHRAGM, SAID RING BEING FABRICATED OF A MATERIAL HAVING A PREDETERMINED THERMAL COEFFICIENT OF
Claim 2
Dependent Claim
59 words
IN A PRESSURE RESPONSIVE TRANSDUCER HAVING A CASING DEFINING A TUBULAR PORTION TERMINATING IN A SUBSTANTIALLY PLANAR OPEN END SURFACE TO WHICH A FLEXIBLE DIAPHRAGM IS SECURED IN FLUID-TIGHT RELATIONSHIP, THE IMPROVEMENT COMPRISING A RING FITTED TO SAID TUBULAR PORTION OF SAID CASING ADJACENT SAID DIAPHRAGM, SAID RING BEING FABRICATED OF A MATERIAL HAVING A PREDETERMINED THERMAL COEFFICIENT OF
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |