Patent Yard Sign in
Expired, full termArchiveSolo inventor

Rechargeable aerosol applicator and cleaning implement

US 3,490,657 A · Inventors: WILLIAMS WILLIAM DALE et al.

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 January 20, 1970. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 20, 1987.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 26, 1967
GrantedJanuary 20, 1970
Term endedJanuary 20, 1987
Application number—
Classification (CPC)B65D83/285
Length3 pages

Timeline

Timeline From USPTO dates

1968197019721974197619781980198219841986Application filedSep 26, 1967Patent grantedJan 20, 1970Term endedJan 20, 1987

Sources & verification