Patent Yard Sign in
Expired, full termArchiveSolo inventor

Multi-feed knitting machine for reinforcing flexible hose or the like

US 3,257,828 A · Inventors: JOHN GRECZIN

USPTO PDF

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 June 28, 1966. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 28, 1983.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledOctober 1, 1963
GrantedJune 28, 1966
Term endedJune 28, 1983
Application number—
Classification (CPC)D04B9/44 +2 more
Length5 pages

Timeline

Timeline From USPTO dates

1964196619681970197219741976197819801982Application filedOct 1, 1963Patent grantedJune 28, 1966Term endedJune 28, 1983

Sources & verification