Patent Yard Sign in
Expired, full termArchiveSolo inventor

Game board

US 2,371,575 A · Inventors: TRIMBLE JAMES R

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 March 13, 1945. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 13, 1962.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 29, 1943
GrantedMarch 13, 1945
Term endedMarch 13, 1962
Application number—
Classification (CPC)A63F3/00041 +1 more
Length2 pages

Timeline

Timeline From USPTO dates

1944194619481950195219541956195819601962Application filedJan 29, 1943Patent grantedMarch 13, 1945Term endedMarch 13, 1962

Sources & verification