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US2696604A Expired / Lapsed US ⏱️ 0.0 years remaining

Supervisory system

Assignee: Elsag Bailey Inc
•
Filing: 1952-08-02
•
Granted: 1954-12-07
•
Expires: 1972-08-02
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Abstract

No abstract record available.

Inventors

  • 👤 George R Markow
  • 👤 Anthony J Hornfeck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 21:29
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/02; G01K1/024

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US502711A Cited
US2578447A Cited
US2573175A Cited
US2564294A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-12-06 1958-06-07 1958-12-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-12-06 1962-06-07 1962-12-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-12-06 1966-06-07 1966-12-07 $7700.00 Window Closed / Lapsed

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