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US3380557A Expired / Lapsed US ⏱️ 0.0 years remaining

Variable kinetic energy absorber

Assignee: Individual
•
Filing: 1966-10-06
•
Granted: 1968-04-30
•
Expires: 1986-10-06
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Abstract

No abstract record available.

Inventors

  • 👤 Gerald H Peterson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 09:19
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/12; F16F7/127

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2029789A Cited
US2251347A Cited
US3268256A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-04-30 1971-10-30 1972-04-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-04-30 1975-10-30 1976-04-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-04-30 1979-10-30 1980-04-30 $7700.00 Window Closed / Lapsed

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