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US1877765A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic cushion gear

Assignee: Individual
•
Filing: 1930-12-11
•
Granted: 1932-09-20
•
Expires: 1950-12-11
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Abstract

No abstract record available.

Inventors

  • 👤 Charles R Jeffreys

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:11
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/12; F16D2300/00; F16D2300/20; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/19842

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1935-09-20 1936-03-21 1936-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1939-09-20 1940-03-21 1940-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1943-09-20 1944-03-21 1944-09-20 $7700.00 Window Closed / Lapsed

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