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US2277782A Expired / Lapsed US ⏱️ 0.0 years remaining

Crimping materials containing synthetic textile fibers

Assignee: Carbide and Carbon Chemicals Corp
•
Filing: 1939-05-03
•
Granted: 1942-03-31
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Expires: 1959-05-03
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Abstract

No abstract record available.

Inventors

  • 👤 Edward W Rugeley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 16:12
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/18; Y; Y10; Y10S; Y10S8/00; Y10S8/10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/313; Y10T442/3138; Y10T442/3976

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) 1945-03-30 1945-09-29 1946-03-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-03-30 1949-09-29 1950-03-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-03-30 1953-09-29 1954-03-31 $7700.00 Window Closed / Lapsed

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