Batdorf v. Sattley Coin Handling Mach. Co.

TUTTEE, District Judge.

Plaintiffs charge the defendant with infringing five patents on coin handling devices, all of which appear to be on exceedingly complicated mechanisms. Seventy-five claims are relied upon by plaintiffs in their allegations of infringement. Defendant’s answer recites the usual defenses of noninfringement and in*926validity. Counsel for defendant has propounded to plaintiffs 101 interrogatories, under equity rule 58 (198 Fed. xxxiv, 115 C. C. A. xxxiv).

[1,2] The first 72 interrogatories ask plaintiffs to point out the particular part or parts of defendant’s structure that…