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Electric space heater

US 3,189,727 A · Inventors: IVAR JEPSON et al.

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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 June 15, 1965. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 15, 1982.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 27, 1961
GrantedJune 15, 1965
Term endedJune 15, 1982
Application number—
Classification (CPC)F24H3/0417
Length7 pages

Timeline

Timeline From USPTO dates

1962196519681971197419771980Application filedJune 27, 1961Patent grantedJune 15, 1965Term endedJune 15, 1982

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