Patent Yard Sign in
Expired, full termArchiveSolo inventor

Paper guide for the feeding tray of a duplicating machine

US 3,069,159 A · Inventors: KEIL HENRY P

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 18, 1962. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 18, 1979.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 7, 1960
GrantedDecember 18, 1962
Term endedDecember 18, 1979
Application number—
Classification (CPC)B65H1/04
Length5 pages

Timeline

Timeline From USPTO dates

1961196319651967196919711973197519771979Application filedMarch 7, 1960Patent grantedDec 18, 1962Term endedDec 18, 1979

Sources & verification