Patent Yard Sign in
Expired, full termArchiveSolo inventor

Printing

US 2,047,357 A · Inventors: CRAFTS CURTIS S

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 July 14, 1936. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 14, 1953.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 9, 1933
GrantedJuly 14, 1936
Term endedJuly 14, 1953
Application number—
Classification (CPC)B41F27/10
Length3 pages

Sources & verification