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US2274316A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic suction control of timing

Assignee: Motors Liquidation Co
•
Filing: 1937-09-22
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Granted: 1942-02-24
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Expires: 1957-09-22
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Abstract

No abstract record available.

Inventors

  • 👤 James L Arthur

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:46
CPC Classifications
F; F02; F02P; F02P5/00; F02P5/04; F02P5/05; F02P5/10; F02P5/103

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1945-02-23 1945-08-25 1946-02-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-02-23 1949-08-25 1950-02-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-02-23 1953-08-25 1954-02-24 $7700.00 Window Closed / Lapsed

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