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US2426784A Expired / Lapsed US ⏱️ 0.0 years remaining

Ignition apparatus

Assignee: Individual
•
Filing: 1945-06-02
•
Granted: 1947-09-02
•
Expires: 1965-06-02
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Abstract

No abstract record available.

Inventors

  • 👤 Messerschmidt Charles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:46
CPC Classifications
F; F02; F02P; F02P7/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1445262A Cited
US1917046A Cited
US1934199A Cited
US1278183A Cited
US1793278A Cited
US1976178A Cited
US2096294A Cited
US2346094A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-09-01 1951-03-03 1951-09-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-09-01 1955-03-03 1955-09-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-09-01 1959-03-03 1959-09-02 $7700.00 Window Closed / Lapsed

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