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US3371899A Expired / Lapsed US ⏱️ 0.0 years remaining

Shock absorbing apparatus

Assignee: JOHN ALGOT JOHNSON
•
Filing: 1965-08-13
•
Granted: 1968-03-05
•
Expires: 1985-08-13
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Abstract

No abstract record available.

Inventors

  • 👤 Johnson John Algot

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 02:15
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2092919A Cited
US2717747A Cited
US2762600A Cited
US2841354A Cited
US2900157A Cited
US3116056A Cited
US3144838A Cited
US3134462A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-03-05 1971-09-04 1972-03-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-03-05 1975-09-04 1976-03-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-03-05 1979-09-04 1980-03-05 $7700.00 Window Closed / Lapsed

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