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US3482278A Expired / Lapsed US ⏱️ 0.0 years remaining

Extrusion of thermoplastic films and articles made therefrom

Assignee: Champion Papers Inc
•
Filing: 1966-02-25
•
Granted: 1969-12-09
•
Expires: 1986-02-25
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Abstract

No abstract record available.

Inventors

  • 👤 Kenneth Thompson
  • 👤 Richard C Ihde

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 03:08
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0281; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/12; B29C48/25; B29C48/30; B29C48/305; B29C48/31; B29C48/313; B29C48/78; B29C48/79; B29C48/80; B29C48/83; B29C48/832; B29C48/86; B29C48/865; B29C48/88; B29C48/911; B29C48/9135; B29C48/914; B29C48/09; B29C48/10; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1661069A Cited
US2091125A Cited
US2387718A Cited
US2514211A Cited
US2821746A Cited
US3074106A Cited
US3142090A Cited
US3241183A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-12-08 1973-06-09 1973-12-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-12-08 1977-06-09 1977-12-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-12-08 1981-06-09 1981-12-09 $7700.00 Window Closed / Lapsed

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