Nova Patents
US2052217A

All weather stadium

Abstract

This record has no abstract on file.

US2052217A, drawing sheet 1
Sheet 1 of 22

Term

Term ended

Expired 25 August 1953, 73.1 years ago.

  1. Priority and filed
  2. Granted
  3. Expired
  4. Today

1 claim: 1 independent, 0 dependent

  1. 1
    What we claim is:di A , n a11 weather stadium comprising- a Ppn tral playmg field free from aeria^SrucS iS^aSeSe^aXS to « ss“2==rss= = 6=3^-==:= sifWsjL =SSS~S=Z 5=χ~~:=Ξ=3=· JULES H. de SIBOUR. GEORGE P. MARSHALL. 25