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US2146274A Expired / Lapsed US ⏱️ 0.0 years remaining

Knife

Assignee: S&S Corrugated Paper Machinery Co Inc
•
Filing: 1935-06-25
•
Granted: 1939-02-07
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Expires: 1955-06-25
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Abstract

No abstract record available.

Inventors

  • 👤 Stern Isaac
  • 👤 Skolnikoff Benjamin
  • 👤 Pesqueira Juventino Joseph
  • 👤 Ostrolenk Samuel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:55
CPC Classifications
B; B26; B26D; B26D5/00; B26D5/20; B26D5/22; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4693; Y10T83/4766; Y10T83/4775

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) 1942-02-06 1942-08-08 1943-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-02-06 1946-08-08 1947-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-02-06 1950-08-08 1951-02-07 $7700.00 Window Closed / Lapsed

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