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Method for producing iridescent filament

US 3,388,198 A · Inventors: SIMS JAMES G

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted June 11, 1968. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 11, 1985.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 27, 1966
GrantedJune 11, 1968
Term endedJune 11, 1985
Application number—
Classification (CPC)D01D10/0436 +2 more
Length7 pages

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