Patent Yard Sign in
Expired, full termArchiveSolo inventor

Button dipping and drying machine

US 2,495,446 A · Inventors: EISENBERG BERNARD C

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 24, 1950. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 24, 1967.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 26, 1948
GrantedJanuary 24, 1950
Term endedJanuary 24, 1967
Application number—
Classification (CPC)B05C3/02 +1 more
Length7 pages

Timeline

Timeline From USPTO dates

1949195119531955195719591961196319651967Application filedFeb 26, 1948Patent grantedJan 24, 1950Term endedJan 24, 1967

Sources & verification