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US2457739A Expired / Lapsed US ⏱️ 0.0 years remaining

Oil dilution and primer system for internal-combustion engines

Assignee: Bendix Aviation Corp
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Filing: 1946-04-19
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Granted: 1948-12-28
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Expires: 1966-04-19
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Abstract

No abstract record available.

Inventors

  • 👤 Eugene A Sherrill

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:03
CPC Classifications
F; F16; F16N; F16N39/00; F16N39/08; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87056

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1090827A Cited
GB269641A Cited
US1794531A Cited
US2184413A Cited
US2196120A Cited
US2407184A Cited
US2373142A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-12-28 1952-06-28 1952-12-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-12-28 1956-06-28 1956-12-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-12-28 1960-06-28 1960-12-28 $7700.00 Window Closed / Lapsed

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