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US2525033A Expired / Lapsed US ⏱️ 0.0 years remaining

Directional signal operator

Assignee: Individual
•
Filing: 1949-03-05
•
Granted: 1950-10-10
•
Expires: 1969-03-05
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Abstract

No abstract record available.

Inventors

  • 👤 Jesse R Hollins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 19:44
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/34; B60Q1/40; B60Q1/42; B60Q1/425

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1668738A Cited
US2280110A Cited
US2276413A Cited
US2427595A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-10-09 1954-04-10 1954-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-10-09 1958-04-10 1958-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-10-09 1962-04-10 1962-10-10 $7700.00 Window Closed / Lapsed

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