US2730379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure couple
Assignee: Elsag Bailey Inc
•
Filing: 1951-12-20
•
Granted: 1956-01-10
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Expires: 1971-12-20
Abstract
No abstract record available.
Inventors
- 👤 Harvard H Gorrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:30
CPC Classifications
G; G05; G05B; G05B7/00; G05B7/04; Y; Y10; Y10S; Y10S137/00; Y10S137/90; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/8593; Y10T137/86928; Y10T137/87153
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US739793A
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US889952A
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US1486279A
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US2086569A
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US2202286A
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US2651317A
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US2588799A
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US2471237A
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US2548528A
Cited
US2618978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |