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US2398094A Expired / Lapsed US ⏱️ 0.0 years remaining

Carburetor anti-icing device

Assignee: Stewart Warner Corp
•
Filing: 1943-03-01
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Granted: 1946-04-09
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Expires: 1963-03-01
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Abstract

No abstract record available.

Inventors

  • 👤 Seymour E Heymann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:48
CPC Classifications
F; F02; F02M; F02M31/00; F02M31/02; F02M31/04; F02M31/042; F02M1/00; F02M15/00; F02M15/02; F02M15/027; F02M25/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/434; F02M2700/4342; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

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) 1949-04-08 1949-10-08 1950-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1953-04-08 1953-10-08 1954-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1957-04-08 1957-10-08 1958-04-09 $7700.00 Window Closed / Lapsed

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