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US3382140A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for fibrillating cellulosic fibers and products thereof

Assignee: Fort James Corp
•
Filing: 1966-12-30
•
Granted: 1968-05-07
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Expires: 1986-12-30
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Abstract

No abstract record available.

Inventors

  • 👤 John T Henderson
  • 👤 Robert E Linde
  • 👤 Walter G Meyer
  • 👤 William B West

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 07:33
CPC Classifications
D; D21; D21D; D21D1/00; D21D1/20; D21D1/30; Y; Y10; Y10S; Y10S264/00; Y10S264/47

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1881419A Cited
US2717195A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-05-07 1971-11-06 1972-05-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-05-07 1975-11-06 1976-05-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-05-07 1979-11-06 1980-05-07 $7700.00 Window Closed / Lapsed

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