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US3443116A Expired / Lapsed US ⏱️ 0.0 years remaining

Bistable magnetic decision summing device

Assignee: Westinghouse Electric Corp
•
Filing: 1964-02-07
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Granted: 1969-05-06
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Expires: 1984-02-07
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Abstract

No abstract record available.

Inventors

  • 👤 William C Mann
  • 👤 Leland E Hayden

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:18
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/80; H03K17/82; H03K19/00; H03K19/02; H03K19/16; H03K19/166

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2927220A Cited
US3244902A Cited
US3207912A Cited
US3300652A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-05-05 1972-11-04 1973-05-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-05-05 1976-11-04 1977-05-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-05-05 1980-11-04 1981-05-06 $7700.00 Window Closed / Lapsed

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