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US3053080A Expired / Lapsed US ⏱️ 0.0 years remaining

Non-ambiguous display ultrasonic testing apparatus

Assignee: Motors Liquidation Co
•
Filing: 1957-12-26
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Granted: 1962-09-11
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Expires: 1977-12-26
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Abstract

No abstract record available.

Inventors

  • 👤 Robert B Colten
  • 👤 Richard W Johnston

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 16:24
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/34; G01N29/348; Y; Y10; Y10S; Y10S73/00; Y10S73/901

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2466711A Cited
US2538114A Cited
US2603966A Cited
US2672392A Cited
US2800789A Cited
DE949375C Cited
US2883860A Cited
US2888824A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-09-10 1966-03-12 1966-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-09-10 1970-03-12 1970-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-09-10 1974-03-12 1974-09-11 $7700.00 Window Closed / Lapsed

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