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US3066486A Expired / Lapsed US ⏱️ 0.0 years remaining

Self controlled means of obtaining a prescheduled pressure-time relationship

Assignee: Individual
•
Filing: 1958-06-26
•
Granted: 1962-12-04
•
Expires: 1978-06-26
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Abstract

No abstract record available.

Inventors

  • 👤 Howard A Kirshner
  • 👤 Martin S Silverstein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:10
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/74; F02K9/76; F42; F42B; F42B3/00; F42B3/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1935123A Cited
US2154572A Cited
US2321874A Cited
US2395435A Cited
US2465926A Cited
US2806351A Cited
US2858672A Cited
US2842937A Cited
US2971332A Cited
US2906091A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-03 1966-06-04 1966-12-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-03 1970-06-04 1970-12-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-03 1974-06-04 1974-12-04 $7700.00 Window Closed / Lapsed

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