Boiler for the heating or vaporization of a liquid medium

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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 7, 1966. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 7, 1983.
• We check US rights only. Old patents can still inspire new ones: improvements may be patentable.