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US3538772A Expired / Lapsed US ⏱️ 0.0 years remaining

Monitoring apparatus

Assignee: Gulf General Atomic Inc
•
Filing: 1968-03-14
•
Granted: 1970-11-10
•
Expires: 1988-03-14
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Abstract

No abstract record available.

Inventors

  • 👤 Jean H Filloux

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 06:20
CPC Classifications
G; G01; G01R; G01R17/00; G01R17/02; G01R17/06; G01R17/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1930496A Cited
US2693990A Cited
US2955467A Cited
US3301062A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-11-09 1974-05-11 1974-11-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-11-09 1978-05-11 1978-11-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-11-09 1982-05-11 1982-11-10 $7700.00 Window Closed / Lapsed

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