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Hexagonal die

US 1,576,166 A · Inventors: WELLS FRANK O

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Overview

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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 March 9, 1926. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 9, 1943.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 3, 1924
GrantedMarch 9, 1926
Term endedMarch 9, 1943
Application number—
Classification (CPC)B23G5/083 +2 more
Length3 pages

Timeline

Timeline From USPTO dates

1925192719291931193319351937193919411943Application filedJuly 3, 1924Patent grantedMarch 9, 1926Term endedMarch 9, 1943

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