Patent Yard Sign in
Expired, full termArchiveSolo inventor

Machine for manufacturing upholstery-pads.

US 926,331 A

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 June 29, 1909. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 29, 1926.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedJune 29, 1909
Term endedJune 29, 1926
Application number—
Classification (CPC)B68G7/05 +1 more
Length3 pages

Sources & verification