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US2306469A Expired / Lapsed US ⏱️ 0.0 years remaining

Air gauge

Assignee: Motors Liquidation Co
•
Filing: 1941-12-29
•
Granted: 1942-12-29
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Expires: 1961-12-29
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Abstract

No abstract record available.

Inventors

  • 👤 Fred L Rupley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:06
CPC Classifications
G; G01; G01B; G01B13/00; G01B13/08; Y; Y10; Y10S; Y10S33/00; Y10S33/02; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7845; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1945-12-28 1946-06-29 1946-12-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-12-28 1950-06-29 1950-12-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-12-28 1954-06-29 1954-12-29 $7700.00 Window Closed / Lapsed

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