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US2396771A Expired / Lapsed US ⏱️ 0.0 years remaining

Fountain pen

Assignee: Individual
•
Filing: 1944-08-03
•
Granted: 1946-03-19
•
Expires: 1964-08-03
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Abstract

No abstract record available.

Inventors

  • 👤 Sr Dara H Brinson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:53
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/08; B43K23/12; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17786; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/082; Y10T403/00; Y10T403/60; Y10T403/606

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1949-03-18 1949-09-17 1950-03-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1953-03-18 1953-09-17 1954-03-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1957-03-18 1957-09-17 1958-03-19 $7700.00 Window Closed / Lapsed

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