National Cash Register Co. v. American Cash Register Co.
Court of Appeals for the Third Circuit
Appeal from the Circuit Court of the United States for the Eastern District of Pennsylvania. In Equity. Bill by the National Cash Register Company, Michael Campbell, and Maria G. Wellbrock against the American. Cash Register Company for infringement of a patent. The circuit court, following the decision of the circuit court for the district of Massachusetts iu National Cash Register Co. v. Boston Cash Indicator & Recorder Co., 45 Fed.
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Appeal from the Circuit Court of the United States for the Eastern District of Pennsylvania. In Equity. Bill by the National Cash Register Company, Michael Campbell, and Maria G. Wellbrock against the American. Cash Register Company for infringement of a patent. The circuit court, following the decision of the circuit court for the district of Massachusetts iu National Cash Register Co. v. Boston Cash Indicator & Recorder Co., 45 Fed. Rep. 481, held that there ivas no infringement:, and dismissed the bill. 47 Fed. Rep. 212. Complainants appeal.
1Opinion of the Court
DALLAS, Circuit Judge.
This is an appeal from a decree dismissing a bill for alleged infringement of patent No. 253,506, for an improvement in cash registering apparatus, granted to Michael Campbell, and dated February 14, 1882. The only claim involved is:
“(3) In a cash registering apparatus, a series of keys to designate certain amounts, combined with the drawer, the drawer holder, D, mediately connected with said keys, and the spring to throw the drawer open when released by the drawer bolder, substantially as described.”
The defenses are that this claim is invalid, and that, even if valid,…
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