Patent Yard Sign in
Expired, full termArchiveSolo inventor

Knock-down door buck with folding door guide means

US 2,973,809 A · Inventors: SAMUEL SKLAR

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 March 7, 1961. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 7, 1978.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 18, 1958
GrantedMarch 7, 1961
Term endedMarch 7, 1978
Application number—
Classification (CPC)E06B3/481 +1 more
Length6 pages

Timeline

Timeline From USPTO dates

1959196119631965196719691971197319751977Application filedAug 18, 1958Patent grantedMarch 7, 1961Term endedMarch 7, 1978

Sources & verification