Patent Yard Sign in
Expired, full termArchiveSolo inventor

Gripping device

US 2,023,975 A · Inventors: WALTER QUALEY

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 December 10, 1935. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 10, 1952.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 27, 1932
GrantedDecember 10, 1935
Term endedDecember 10, 1952
Application number—
Classification (CPC)B67B3/2006 +1 more
Length3 pages

Timeline

Timeline From USPTO dates

1933193519371939194119431945194719491951Application filedSep 27, 1932Patent grantedDec 10, 1935Term endedDec 10, 1952

Sources & verification