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US3057190A Expired / Lapsed US ⏱️ 0.0 years remaining

Materials testing

Assignee: ALLEGANY INSTR Co Inc
•
Filing: 1957-12-20
•
Granted: 1962-10-09
•
Expires: 1977-12-20
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Abstract

No abstract record available.

Inventors

  • 👤 Charles M Minke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 21:15
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/08; G01N3/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2362589A Cited
US2568042A Cited
US2612774A Cited
US2389912A Cited
US2533025A Cited
US2741930A Cited
US2610504A Cited
US2576433A Cited
US2659232A Cited
US2756590A Cited
US2854859A Cited
US2810288A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-08 1966-04-09 1966-10-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-08 1970-04-09 1970-10-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-08 1974-04-09 1974-10-09 $7700.00 Window Closed / Lapsed

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