Patent Yard Sign in
Expired, full termArchiveSolo inventor

Tool-handle construction

US 1,771,779 A · Inventors: EARNSHAW HOWARD W

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 July 29, 1930. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 29, 1947.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 30, 1926
GrantedJuly 29, 1930
Term endedJuly 29, 1947
Application number—
Classification (CPC)B25G1/00 +2 more
Length3 pages

Timeline

Timeline From USPTO dates

1927193019331936193919421945Application filedDec 30, 1926Patent grantedJuly 29, 1930Term endedJuly 29, 1947

Sources & verification