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US3513055A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of preparing heat-sealable composite sheets

Assignee: FMC Corp
•
Filing: 1964-11-12
•
Granted: 1970-05-19
•
Expires: 1984-11-12
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Abstract

No abstract record available.

Inventors

  • 👤 Wilbur T Brader Jr
  • 👤 Charles M Rosser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:33
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J7/00; C08J7/04; C08J7/042; C08J7/043; C08J7/08; C08J2301/00; C08J2427/00; C08J2427/02; C08J2427/04; C08J2427/08; C08J2433/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31909; Y10T428/31913; Y10T428/3192

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2261294A Cited
US2261295A Cited
GB782455A Cited
US3009831A Cited
US3037835A Cited
US2999782A Cited
US3111418A Cited
US3297476A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-05-18 1973-11-17 1974-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-05-18 1977-11-17 1978-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-05-18 1981-11-17 1982-05-19 $7700.00 Window Closed / Lapsed

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