Expired, full termArchiveSolo inventor
Apparatus for continuous heat treatment of sheet or strip material
US 3,355,159 A · Inventors: PETER AYERS
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
Read the whole patent
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 November 28, 1967. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 28, 1984.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 22, 1963
GrantedNovember 28, 1967
Term endedNovember 28, 1984
Application number—
Classification (CPC)C21D9/567
Length7 pages
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.