Patent US2994998A successfully refreshed from Google Patents.
Patent US3537319A successfully refreshed from Google Patents.
US3537319A
Expired / Lapsed
US
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Silicon diaphragm with optimized integral strain gages
Assignee: General Electric Co
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Filing: 1968-07-26
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Granted: 1970-11-03
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Expires: 1988-07-26
Abstract
No abstract record available.
Inventors
- 👤 Alexander J Yerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:38
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/0051; G01L9/0052; G01L9/0054; Y; Y10; Y10S; Y10S148/00; Y10S148/012
Claims Analysis
Total Claims: 0
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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) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |