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US1237862A Expired / Lapsed US ⏱️ 0.0 years remaining

Primer for gas-engines.

Assignee: Individual
•
Filing: 1915-06-04
•
Granted: 1917-08-21
•
Expires: 1935-06-04
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Abstract

No abstract record available.

Inventors

  • 👤 Wilbert T Bintliff

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:37
CPC Classifications
F; F02; F02M; F02M15/00; F02M15/02; F02M15/04; A; A61; A61M; A61M16/00; A61M16/10; A61M16/14; A61M16/16

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) 1920-08-20 1921-02-19 1921-08-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-08-20 1925-02-19 1925-08-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-08-20 1929-02-19 1929-08-21 $7700.00 Window Closed / Lapsed

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