Expired, full termArchiveSolo inventor
Two wire former
US 3,582,467 A · Inventors: GUSTAFSON DAVID R et al.
Overview
6 drawing sheets
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead 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 June 1, 1971. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 1, 1988.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 25, 1968
GrantedJune 1, 1971
Term endedJune 1, 1988
Application number—
Classification (CPC)D21D5/26 +1 more
Length17 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.