Walkup v. Interborough Rapid Transit Co.

(after stating the facts as above). It is very plain that the phrase in claim 1, “a hand switeh adapted for mounting on a stationary *267part independent of the ear,” refers to that part of the disclosure (page 1, lines 19-26; page 2, lines 31-38), which describes the switches as situated on the station platform, where the patentee' intended them to be. The same is true of the phrase in claim 4, “a hand switch adapted for mounting on a part independent of the train.” Concededly the defendant has no part of its system on the station platform, and can open its doors wherever it may be on its…