Patent US2576489A successfully refreshed from Google Patents.
US2576489A
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Capacitance strain gauge
Assignee: Tinius Olsen Testing Machine Co
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Filing: 1950-01-20
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Granted: 1951-11-27
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Expires: 1970-01-20
Abstract
No abstract record available.
Inventors
- 👤 Jr John R Stovall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:57
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/14; G01L1/142; G01L1/144; Y; Y10; Y10S; Y10S33/00; Y10S33/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1740131A
Cited
US2363181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |