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US3033109A Expired / Lapsed US ⏱️ 0.0 years remaining

Registration detection system

Assignee: Hurletron Inc
•
Filing: 1958-12-08
•
Granted: 1962-05-08
•
Expires: 1978-12-08
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph C Frommer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 14:53
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/02; B41F13/025; G; G01; G01J; G01J3/00; G01J3/46; G01J3/50; G01J3/51; G01J3/513

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1838389A Cited
US2151570A Cited
US2348862A Cited
US2444261A Cited
US2632855A Cited
US2764086A Cited
US2774276A Cited
US2969016A Cited
US2840370A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-07 1965-11-06 1966-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-07 1969-11-06 1970-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-07 1973-11-06 1974-05-08 $7700.00 Window Closed / Lapsed

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