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US2347569A Expired / Lapsed US ⏱️ 0.0 years remaining

Winch provided with an automatic release at the end of the lifting operation

Assignee: Individual
•
Filing: 1939-10-17
•
Granted: 1944-04-25
•
Expires: 1959-10-17
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Abstract

No abstract record available.

Inventors

  • 👤 Laraque Roland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:11
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/20; F; F16; F16H; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16

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) 1947-04-25 1947-10-25 1948-04-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1951-04-25 1951-10-25 1952-04-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1955-04-25 1955-10-25 1956-04-25 $7700.00 Window Closed / Lapsed

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