US2947887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooled piezoelectric accelerometer
Assignee: Individual
•
Filing: 1956-11-20
•
Granted: 1960-08-02
•
Expires: 1976-11-20
Abstract
No abstract record available.
Inventors
- 👤 Leslie K Gulton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:44
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/09; G01P1/00; G01P1/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734096A
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US1875953A
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US1874980A
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US1904140A
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US2012018A
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US1962210A
Cited
US1946698A
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US2097868A
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US2215582A
Cited
US2643282A
Cited
US2728217A
Cited
US2808522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |