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US2864938A Expired / Lapsed US ⏱️ 0.0 years remaining

Repeating photoflash gun

Assignee: GTE Sylvania Inc
•
Filing: 1954-03-23
•
Granted: 1958-12-16
•
Expires: 1974-03-23
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Abstract

No abstract record available.

Inventors

  • 👤 Robert E Shaw
  • 👤 Frank H Walker
  • 👤 Jr John H Quinn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 10:41
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/0442

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US615885A Cited
US2006171A Cited
US2214230A Cited
US2251609A Cited
US2230829A Cited
US2408470A Cited
US2485404A Cited
US2672039A Cited
US2774862A Cited
US2774861A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-15 1962-06-16 1962-12-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-15 1966-06-16 1966-12-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-15 1970-06-16 1970-12-16 $7700.00 Window Closed / Lapsed

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