Patent Yard Sign in
Expired, full termArchiveSolo inventor

Adaptor ring and method of assembling the ring to the corner fitting of a cargo container

US 3,404,444 A · Inventors: ISBRANDTSEN WALDEMAR M

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 October 8, 1968. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 8, 1985.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 24, 1966
GrantedOctober 8, 1968
Term endedOctober 8, 1985
Application number—
Classification (CPC)B65D90/0026 +2 more
Length5 pages

Timeline

Timeline From USPTO dates

1967196919711973197519771979198119831985Application filedMarch 24, 1966Patent grantedOct 8, 1968Term endedOct 8, 1985

Sources & verification