OPEN HEARTH STEEL FURNACE CO. v. BLAW-KNOX CO.

No. 3094.

1 F.2d 610 (1924)

OPEN HEARTH STEEL FURNACE CO. v. BLAW-KNOX CO. et al.

Circuit Court of Appeals, Third Circuit.

October 3, 1924.


Attorney(s) appearing for the Case

Clarence J. Loftus, of Chicago, Ill., for appellant. Bakewell, Byrnes & Stebbins, of Pittsburgh, Pa. (George E. Stebbins and C. P. Byrnes, both of Pittsburgh, Pa., of counsel), for appellees.

Before WOOLLEY and DAVIS, Circuit Judges, and BODINE, District Judge.


BODINE, District Judge.

The case involves United States letters patent No. 1,220,444, issued to Samuel Naismith, of Chicago. The following excerpts from the specification disclose the invention (the italics are mine):

"My invention relates more particularly to basic open hearth and reheating furnaces used for metallurgical purposes, and has for its object a new and useful improvement for the preservation of the slag line and means for supporting the furnace...

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