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US2276722A Expired / Lapsed US ⏱️ 0.0 years remaining

Marking implement

Assignee: Individual
•
Filing: 1941-02-15
•
Granted: 1942-03-17
•
Expires: 1961-02-15
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Abstract

No abstract record available.

Inventors

  • 👤 Bernard S Hillman
  • 👤 Nazzaro Armond

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 22:26
CPC Classifications
B; B43; B43K; B43K7/00; B43K7/02; B43K7/03; B43K7/035; B43K1/00; B43K1/08; B43K1/086; B43K1/088

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1945-03-16 1945-09-15 1946-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-03-16 1949-09-15 1950-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-03-16 1953-09-15 1954-03-17 $7700.00 Window Closed / Lapsed

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