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US2553286A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic drive for inertia loads

Assignee: Oilgear Co
•
Filing: 1948-04-28
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Granted: 1951-05-15
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Expires: 1968-04-28
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Abstract

No abstract record available.

Inventors

  • 👤 Tyler Ransom

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:48
CPC Classifications
F; F16; F16H; F16H43/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1974138A Cited
US2056896A Cited
US2114005A Cited
US2238060A Cited
US2238061A Cited
US2238063A Cited
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

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