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US3011128A Expired / Lapsed US ⏱️ 0.0 years remaining

Triple coincidence detector

Assignee: Westinghouse Electric Corp
•
Filing: 1958-05-29
•
Granted: 1961-11-28
•
Expires: 1978-05-29
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Abstract

No abstract record available.

Inventors

  • 👤 Richard F J Filipowsky

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:23
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/003

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2446244A Cited
US2493648A Cited
US2465925A Cited
US2541038A Cited
US2700149A Cited
US2756336A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-11-27 1965-05-29 1965-11-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-11-27 1969-05-29 1969-11-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-11-27 1973-05-29 1973-11-28 $7700.00 Window Closed / Lapsed

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