Hoover Co. v. Ooms

WILBUR K. MILLER, Associate Justice.

The Hoover Company, assignee of Curtis C. Coons, sued under Section 4915, R.S. 35 U.S.C.A. § 63, to obtain a reissue patent. Claims 15, 16, 38 and 39 are copies or modified forms of the claims of Bergholm with respect to his patent, and were made for interference purposes.

Both Coons and Bergholm disclose an absorption type refrigerating system in which gas heat is used to create the chemical reaction of the solutions employed to cause the cooling effect. One of the principles of refrigeration of this type is that heat exchanges occur through the contact or.…