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US2516461A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic vane type clutch

Assignee: Individual
•
Filing: 1947-01-20
•
Granted: 1950-07-25
•
Expires: 1967-01-20
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Abstract

No abstract record available.

Inventors

  • 👤 Vernon E Gleasman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 00:56
CPC Classifications
F; F16; F16D; F16D31/00; F16D31/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1298979A Cited
US1567912A Cited
US1748436A Cited
US1935400A Cited
US1878078A Cited
US2052429A Cited
US2146717A Cited
US2049673A Cited
US2201878A Cited
US2313049A Cited
US2409995A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-07-24 1954-01-23 1954-07-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-07-24 1958-01-23 1958-07-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-07-24 1962-01-23 1962-07-25 $7700.00 Window Closed / Lapsed

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