Patent Yard Sign in
Expired, full termArchiveSolo inventor

Car mover

US 2,057,230 A · Inventors: CALLISON ABNER F et al.

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 13, 1936. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 13, 1953.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledOctober 3, 1935
GrantedOctober 13, 1936
Term endedOctober 13, 1953
Application number—
Classification (CPC)B61J3/00
Length6 pages

Timeline

Timeline From USPTO dates

193619381940194219441946194819501952Application filedOct 3, 1935Patent grantedOct 13, 1936Term endedOct 13, 1953

Sources & verification