Patent US1540446A successfully refreshed from Google Patents.
Patent US3514995A successfully refreshed from Google Patents.
US3514995A
Expired / Lapsed
US
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Engine testing system
Assignee: General Dynamics Corp
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Filing: 1968-02-23
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Granted: 1970-06-02
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Expires: 1988-02-23
Abstract
No abstract record available.
Inventors
- 👤 Harold R Dobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:36
CPC Classifications
G; G01; G01M; G01M15/00; G01M15/04; G01M15/042; G01M13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1579168A
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US2113376A
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US2492493A
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US2491445A
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US3070995A
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US3190125A
Cited
US3149492A
Cited
US3243997A
Cited
US3344663A
Cited
US3327526A
Cited
US3375711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |