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Method of and apparatus for making reenforced products

US 1,558,804 A · Inventors: GREENEWALD EUGENE L

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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 October 27, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 27, 1942.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 20, 1918
GrantedOctober 27, 1925
Term endedOctober 27, 1942
Application number—
Classification (CPC)B29C53/305 +2 more
Length13 pages

Timeline

Timeline From USPTO dates

19191922192519281931193419371940Application filedNov 20, 1918Patent grantedOct 27, 1925Term endedOct 27, 1942

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