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US3412628A Expired / Lapsed US ⏱️ 0.0 years remaining

Shock absorbing structural member

Assignee: KOPPY TOOL CORP
•
Filing: 1966-07-14
•
Granted: 1968-11-26
•
Expires: 1986-07-14
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Abstract

No abstract record available.

Inventors

  • 👤 Gain William J De

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 10:59
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/12; F16F7/123; B; B60; B60R; B60R19/00; B60R19/02; B60R19/24; B60R19/26; B60R19/34; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49622

Claims Analysis

Total Claims: 0
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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) 1971-11-26 1972-05-27 1972-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-11-26 1976-05-27 1976-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-11-26 1980-05-27 1980-11-26 $7700.00 Window Closed / Lapsed

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