Nova Patents
US1122437A

Screen.

Abstract

This record has no abstract on file.

US1122437A, drawing sheet 1
Sheet 1 of 4

Term

Term ended

Expired 17 January 1934, 92.7 years ago.

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

1 claim: 1 independent, 0 dependent

  1. 1
    What is claimed, is:— A. screen comprising a frame having end portions, side strips secured to said end por- 95 tions and being formed of sheet metal, said side strips constituting a substantially U-shaped channel portion, having their side edges inwardly pitched to constitute a substantially dovetailed channel, said side strips 100 fitting one over the other to constitute a sliding expansible frame, a wire mesh sheet 1,122,437 fixedly secured to said end portions and being arranged in a corrugated, manner between said end portions, and said wire mesh sheet -haying its edges fitting in said dove6 tailed channels, whereby said wire mesh sheet will be held against accidental displacement from said channel portions and may be allowed to expand and contract ac cording to the adjustment of said end portions relative to each other. In testimony whereof I hereunto affix my signature in presence.of .two. witnesses. MICHAEL SWEENEY. Witnesses: George N assort, Patrick H. Kauii. Copies of this patent may be obtained for five cents each, by addressing the “ Commissioner of Patents, Washington, D. C.”