Bestwall Mfg. Co. v. United States Gypsum Co.
Court of Appeals for the Seventh Circuit
Appeal from tbe District Court o£ the United States for the Eastern Division of the Northern District of Illinois. Suit for the infringement of patent by the United States Gypsum Company against the Bestwall Manufacturing Company. Decree for complainant (258 Fed. 647), and defendant appeals.
1Opinion of the Court
EVAN A. EVANS, Circuit Judge.
Two patents, one No. 1,029,328, covering a process for making plaster board, and the other, No. 1,034,-746, covering the product, the plaster board, are here under consideration. Patentee originally sought his claims in one application, but a division was ordered, and thereafter he proceeded separately with his process and product applications.
Describing the subject-matter of his patent, patentee says:
“Plaster board of various kinds have been made prior to my invention, some of which have been made in molds and others of which have been made by a continuous…
2Cases cited2 opinions
- Jones v. General Fireproofing Co.Court of Appeals for the Sixth Circuit · 1918
- New River Mineral Co. v. SeeleyCourt of Appeals for the Fourth Circuit · 1903
3Cited by7 opinions
- United States v. United States Gypsum Co.Supreme Court of the United States · 1948
- United States v. United States Gypsum Co.District Court, District of Columbia · 1946
- Bestwall Mfg. Co. v. United States Gypsum Co.Court of Appeals for the Seventh Circuit · 1923
- United States Gypsum Co. v. Bestwall Mfg. Co.District Court, N.D. Illinois · 1925
- United States v. United States Gypsum Co.Supreme Court of the United States · 1948
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