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Patent US2959252A successfully refreshed from Google Patents.
US2959252A
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US
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Damper for transducer
Assignee: ULTRADYNE Inc
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Filing: 1958-04-17
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Granted: 1960-11-08
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Expires: 1978-04-17
Abstract
No abstract record available.
Inventors
- 👤 Robert S Jamieson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:10
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/22; G01D5/225; G01D5/2258; G01P; G01P1/00; G01P1/003; G01P15/00; G01P15/02; G01P15/08; G01P15/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA484667A
Cited
US1883514A
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US2046723A
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US2440605A
Cited
US2514140A
Cited
US2759157A
Cited
US2837175A
Cited
US2881868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |