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Polymerization by means of a high frequency electric discharge

US 2,257,177 A · Inventors: LUSTER ERIC W

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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 September 30, 1941. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 30, 1958.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 17, 1937
GrantedSeptember 30, 1941
Term endedSeptember 30, 1958
Application number—
Classification (CPC)C08F10/00 +2 more
Length6 pages

Timeline

Timeline From USPTO dates

1938194119441947195019531956Application filedJuly 17, 1937Patent grantedSep 30, 1941Term endedSep 30, 1958

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