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US3472122A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for making master models

Assignee: VERTIN-BARTHOLOMEW MARY A
•
Filing: 1967-02-08
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Granted: 1969-10-14
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Expires: 1987-02-08
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas D Vertin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 06:50
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/121; B23Q35/123; G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/4097; G05B2219/00; G05B2219/30; G05B2219/35; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/30112; Y10T409/301176; Y10T409/302856; Y10T409/302968; Y10T409/303024; Y10T409/303416; Y10T409/303472

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2675743A Cited
US2622371A Cited
US2820187A Cited
US2755160A Cited
US2812694A Cited
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US3213757A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-10-13 1973-04-14 1973-10-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-10-13 1977-04-14 1977-10-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-10-13 1981-04-14 1981-10-14 $7700.00 Window Closed / Lapsed

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