Patent Yard Sign in
Expired, full termArchiveSolo inventor

Machine for making paper boxes.

US 645,950 A

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 27, 1900. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 27, 1917.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedMarch 27, 1900
Term endedMarch 27, 1917
Application number—
Classification (CPC)—
Length32 pages

Timeline

Timeline From USPTO dates

190119031905190719091911191319151917Patent grantedMarch 27, 1900Term endedMarch 27, 1917

Sources & verification