Patent Yard Sign in
Expired, full termArchiveSolo inventor

Method and apparatus for constructing concrete walls

US 2,096,159 A · Inventors: CHRISTIAN BRYNOLDT

USPTO PDF

Overview

4 drawing sheets

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 October 19, 1937. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 19, 1954.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 18, 1933
GrantedOctober 19, 1937
Term endedOctober 19, 1954
Application number—
Classification (CPC)E04G11/34
Length7 pages

Sources & verification