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US2885860A Expired / Lapsed US ⏱️ 0.0 years remaining

Operator utilizing a hydraulic motor

Assignee: General Controls Co
•
Filing: 1955-06-06
•
Granted: 1959-05-12
•
Expires: 1975-06-06
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Abstract

No abstract record available.

Inventors

  • 👤 William A Ray

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 19:13
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/18

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1836813A Cited
US2438957A Cited
US2276591A Cited
US2399294A Cited
US2592221A Cited
US2471579A Cited
US2628016A Cited
US2669095A Cited
US2605613A Cited
US2648786A Cited
US2672892A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-05-11 1962-11-10 1963-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-05-11 1966-11-10 1967-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-05-11 1970-11-10 1971-05-12 $7700.00 Window Closed / Lapsed

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