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US2427901A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric target and circuit

Assignee: Individual
•
Filing: 1944-05-20
•
Granted: 1947-09-23
•
Expires: 1964-05-20
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Abstract

No abstract record available.

Inventors

  • 👤 Edgar H Clark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:01
CPC Classifications
F; F41; F41J; F41J5/00; F41J5/24; F41J5/04; F41J5/044; F41J9/00; F41J9/02; Y; Y10; Y10S; Y10S200/00; Y10S200/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US303911A Cited
US436786A Cited
US474109A Cited
US1186206A Cited
US1653736A Cited
US2008909A Cited
US1924783A Cited
US1972941A Cited
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US2221867A Cited
US2338872A Cited
US2309174A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-09-22 1951-03-24 1951-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-09-22 1955-03-24 1955-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-09-22 1959-03-24 1959-09-23 $7700.00 Window Closed / Lapsed

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