Expired, full termArchiveSolo inventor
Apparatus for corrugating sheet metal receptacles
US 2,017,574 A · Inventors: JACQUES STANITZ et al.
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 October 15, 1935. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 15, 1952.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 2, 1935
GrantedOctober 15, 1935
Term endedOctober 15, 1952
Application number—
Classification (CPC)B21D15/02
Length6 pages
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.