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US3122736A Expired / Lapsed US ⏱️ 0.0 years remaining

Safety signaling device

Assignee: Individual
•
Filing: 1961-07-10
•
Granted: 1964-02-25
•
Expires: 1981-07-10
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Abstract

No abstract record available.

Inventors

  • 👤 Reinhold B Weber

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 02:07
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/20; F; F21; F21L; F21L2/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2732820A Cited
US1394824A Cited
US2082763A Cited
US2594885A Cited
US2971206A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-24 1967-08-26 1968-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-24 1971-08-26 1972-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-24 1975-08-26 1976-02-25 $7700.00 Window Closed / Lapsed

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