US2553286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic drive for inertia loads
Assignee: Oilgear Co
•
Filing: 1948-04-28
•
Granted: 1951-05-15
•
Expires: 1968-04-28
Abstract
No abstract record available.
Inventors
- 👤 Tyler Ransom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:25
CPC Classifications
F; F16; F16H; F16H43/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1974138A
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US2056896A
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US2114005A
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US2238060A
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US2238061A
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US2238063A
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US2389829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |