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US2499356A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid-operated pumping device with hydraulic lift

Assignee: Kobe Inc
•
Filing: 1945-07-28
•
Granted: 1950-03-07
•
Expires: 1965-07-28
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Abstract

No abstract record available.

Inventors

  • 👤 Clarence J Coberly

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:32
CPC Classifications
F; F04; F04B; F04B47/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2081220A Cited
US2304303A Cited
US2298834A Cited
US2242166A Cited
US2349649A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-03-06 1953-09-05 1954-03-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-03-06 1957-09-05 1958-03-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-03-06 1961-09-05 1962-03-07 $7700.00 Window Closed / Lapsed

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