Patent Yard Sign in
Expired, full termArchiveSolo inventor

Pneumatic tool

US 1,559,631 A · Inventors: AXEL LEVEDAHL

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 November 3, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 3, 1942.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 30, 1919
GrantedNovember 3, 1925
Term endedNovember 3, 1942
Application number—
Classification (CPC)B25D9/08
Length6 pages

Timeline

Timeline From USPTO dates

19201923192619291932193519381941Application filedJuly 30, 1919Patent grantedNov 3, 1925Term endedNov 3, 1942

Sources & verification