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US1936601A Expired / Lapsed US ⏱️ 0.0 years remaining

Piston

Assignee: Cleveland Trust Co
•
Filing: 1930-06-05
•
Granted: 1933-11-28
•
Expires: 1950-06-05
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Abstract

No abstract record available.

Inventors

  • 👤 Jardine Frank

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:09
CPC Classifications
F; F02; F02F; F02F3/00; F02F3/02; F05; F05C; F05C2201/00; F05C2201/02; F05C2201/021

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1936-11-27 1937-05-29 1937-11-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1940-11-27 1941-05-29 1941-11-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1944-11-27 1945-05-29 1945-11-28 $7700.00 Window Closed / Lapsed

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