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US2282423A Expired / Lapsed US ⏱️ 0.0 years remaining

Process and apparatus for forming articles from organic plastic material

Assignee: Plax Corp
•
Filing: 1939-09-15
•
Granted: 1942-05-12
•
Expires: 1959-09-15
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Abstract

No abstract record available.

Inventors

  • 👤 William H Kopitke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 18:05
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/04; B29C51/18; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10S425/00; Y10S425/048

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) 1945-05-11 1945-11-10 1946-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-05-11 1949-11-10 1950-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-05-11 1953-11-10 1954-05-12 $7700.00 Window Closed / Lapsed

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