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US2040152A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of fabricating casing structures for shock absorbers and the like

Assignee: PENNINGTON ENGINEERING Co
•
Filing: 1935-07-01
•
Granted: 1936-05-12
•
Expires: 1955-07-01
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Abstract

No abstract record available.

Inventors

  • 👤 Gordon R Pennington

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:54
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/10; F16F9/14; F16F9/145; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49861; Y10T29/49895; Y10T29/49902

Claims Analysis

Total Claims: 0
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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) 1939-05-12 1939-11-11 1940-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1943-05-12 1943-11-11 1944-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1947-05-12 1947-11-11 1948-05-12 $7700.00 Window Closed / Lapsed

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