Patent Yard Sign in
Expired, full termArchiveSolo inventor

Electrostatic printing wherein screen carries powder between loading and printing points

US 3,340,802 A · Inventors: PILON CHARLES E

USPTO PDF

Overview

1 drawing sheet

Every sheet is in the USPTO PDF.

Open the USPTO PDF

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 12, 1967. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 12, 1984.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 19, 1966
GrantedSeptember 12, 1967
Term endedSeptember 12, 1984
Application number—
Classification (CPC)B41M1/125 +1 more
Length4 pages

Sources & verification