BOOTH, Chief Justice.
This patent case is to be determined upon the issue of the validity or invalidity of plaintiff's patent. If the patent is valid, infringement is admitted. April 12, 1921, the plaintiff obtained the grant of patent No. 1374314. Following proceedings with respect to plaintiff's original application, the Patent Office finally allowed two of plaintiff's five claims and upon these the plaintiff relies to establish infringement.
The two claims...
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