US3122717A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure transducer
Assignee: Garrett Corp
•
Filing: 1961-06-14
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Granted: 1964-02-25
•
Expires: 1981-06-14
Abstract
No abstract record available.
Inventors
- 👤 Richard N Motsinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:01
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/0051
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PRESSURE TRANSDUCER COMPRISING: A SUPPORT; A MULTILAYER DIAPHRAGM MOUNTED IN SAID SUPPORT, SAID MULTILAYER DIAPHRAGM CONSISTING OF AT LEAST ONE LAYER OF PLASTIC MATERIAL AND A PLURALITY OF LAYERS OF THIN METAL REMOVABLY SECURED TOGETHER SO THAT INDIVIDUAL LAYERS MAY BE REMOVED TO REGULATE THE THICKNESS OF SAID DIAPHRAGM; AND A RESISTANCE STRAIN GAGE ARRANGED BETWEEN THE LAYERS OF SAID MULTILAYER DIAPHRAGM.
Claim 2
Dependent Claim
63 words
A PRESSURE TRANSDUCER COMPRISING: A SUPPORT; A MULTILAYER DIAPHRAGM MOUNTED IN SAID SUPPORT, SAID MULTILAYER DIAPHRAGM CONSISTING OF AT LEAST ONE LAYER OF PLASTIC MATERIAL AND A PLURALITY OF LAYERS OF THIN METAL REMOVABLY SECURED TOGETHER SO THAT INDIVIDUAL LAYERS MAY BE REMOVED TO REGULATE THE THICKNESS OF SAID DIAPHRAGM; AND A RESISTANCE STRAIN GAGE ARRANGED BETWEEN THE LAYERS OF SAID MULTILAYER DIAPHRAGM.
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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) | 1967-02-24 | 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 |