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US2432128A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of improving the processing of refined chemical pulp into viscose

Assignee: Rayonier Inc
•
Filing: 1943-10-16
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Granted: 1947-12-09
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Expires: 1963-10-16
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Abstract

No abstract record available.

Inventors

  • 👤 Schlosser Paul Henry
  • 👤 Gray Kenneth Russell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:59
CPC Classifications
D; D01; D01F; D01F2/00; D01F2/06; D01F2/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2002613A Cited
US1986291A Cited
US2083744A Cited
US2331936A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-12-08 1951-06-09 1951-12-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-12-08 1955-06-09 1955-12-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-12-08 1959-06-09 1959-12-09 $7700.00 Window Closed / Lapsed

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