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Symmetrical rotating switch

US 1,598,666 A · Inventors: VOORHEES LEE J

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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 7, 1926. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 7, 1943.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 9, 1921
GrantedSeptember 7, 1926
Term endedSeptember 7, 1943
Application number—
Classification (CPC)F21V23/00 +1 more
Length5 pages

Timeline

Timeline From USPTO dates

19221925192819311934193719401943Application filedDec 9, 1921Patent grantedSep 7, 1926Term endedSep 7, 1943

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