Expired, full termArchiveSolo inventor
Oil-burner-control system
US 1,600,568 A · Inventors: SMITH IRA E
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
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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 21, 1926. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 21, 1943.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 25, 1926
GrantedSeptember 21, 1926
Term endedSeptember 21, 1943
Application number—
Classification (CPC)F23N5/02 +1 more
Length4 pages
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.