Patent Yard Sign in
Expired, full termArchiveSolo inventor

Ladle crane

US 1,683,472 A · Inventors: LANE HENRY 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 September 4, 1928. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 4, 1945.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 7, 1926
GrantedSeptember 4, 1928
Term endedSeptember 4, 1945
Application number—
Classification (CPC)B66C17/10
Length4 pages

Timeline

Timeline From USPTO dates

1927192919311933193519371939194119431945Application filedJan 7, 1926Patent grantedSep 4, 1928Term endedSep 4, 1945

Sources & verification