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US2185099A Expired / Lapsed US ⏱️ 0.0 years remaining

Nonspill vent plug

Assignee: Exide Technologies LLC
•
Filing: 1938-02-09
•
Granted: 1939-12-26
•
Expires: 1958-02-09
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Abstract

No abstract record available.

Inventors

  • 👤 Woodbridge Joseph Lester

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:28
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/36; H; H01; H01M; H01M50/00; H01M50/30; H01M50/308; H01M50/60; H01M50/609; H01M50/627; H01M50/636; H01M50/645; H01M50/655; H01M50/668; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T137/00; Y10T137/7504

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) 1942-12-25 1943-06-26 1943-12-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-12-25 1947-06-26 1947-12-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-12-25 1951-06-26 1951-12-26 $7700.00 Window Closed / Lapsed

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