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US2235948A Expired / Lapsed US ⏱️ 0.0 years remaining

Perforating, scoring, and punching attachment for printing presses

Assignee: Individual
•
Filing: 1939-08-26
•
Granted: 1941-03-25
•
Expires: 1959-08-26
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Abstract

No abstract record available.

Inventors

  • 👤 Arnold J Schwisow

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:31
CPC Classifications
B; B41; B41G; B41G7/00; B41G7/003; B41F; B41F19/00; B41F19/008; Y; Y10; Y10S; Y10S83/00; Y10S83/902; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/2159; Y10T83/869; Y10T83/8752; Y10T83/8753; Y10T83/8821; Y10T83/8828; Y10T83/8831; Y10T83/929; Y10T83/9457

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) 1944-03-24 1944-09-23 1945-03-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-03-24 1948-09-23 1949-03-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-03-24 1952-09-23 1953-03-25 $7700.00 Window Closed / Lapsed

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