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US2189840A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for applying coatings to fibers in mat form

Assignee: Owens Corning
•
Filing: 1936-06-22
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Granted: 1940-02-13
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Expires: 1956-06-22
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Abstract

No abstract record available.

Inventors

  • 👤 Allen L. Simison
  • 👤 Howard W. Collins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:02
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03B; C03B37/00; C03B37/10; C03B37/14

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) 1943-02-12 1943-08-14 1944-02-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-02-12 1947-08-14 1948-02-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-02-12 1951-08-14 1952-02-13 $7700.00 Window Closed / Lapsed

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