Patent Yard Sign in
Expired, full termArchiveSolo inventor

Automatic igniting device.

US 633,167 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 September 19, 1899. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 19, 1916.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedSeptember 19, 1899
Term endedSeptember 19, 1916
Application number—
Classification (CPC)—
Length4 pages

Timeline

Timeline From USPTO dates

190019021904190619081910191219141916Patent grantedSep 19, 1899Term endedSep 19, 1916

Sources & verification