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US2332826A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of fabricating flexible spools

Assignee: Industrial Rayon Corp
•
Filing: 1942-01-29
•
Granted: 1943-10-26
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Expires: 1962-01-29
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Abstract

No abstract record available.

Inventors

  • 👤 Louis S Fryer
  • 👤 Wayne J Jokilehto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:10
CPC Classifications
B; B21; B21D; B21D15/00; B21D15/02; B65; B65H; B65H2701/00; B65H2701/50; B65H2701/51; B65H2701/511; B65H2701/5114

Claims Analysis

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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) 1946-10-25 1947-04-26 1947-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1950-10-25 1951-04-26 1951-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1954-10-25 1955-04-26 1955-10-26 $7700.00 Window Closed / Lapsed

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