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US 3,420,007 A · Inventors: KOLESH VICTOR ANTHONY

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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 January 7, 1969. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 7, 1986.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 11, 1966
GrantedJanuary 7, 1969
Term endedJanuary 7, 1986
Application number—
Classification (CPC)B24D7/00 +1 more
Length3 pages

Timeline

Timeline From USPTO dates

1967196919711973197519771979198119831985Application filedJuly 11, 1966Patent grantedJan 7, 1969Term endedJan 7, 1986

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