Minnesota Mining & Manufacturing Co. v. Coe

LUHRING, Associate Justice.

The plaintiff, who is the assignee of Clifford L. Jewett, proceeds under Section 4915, R.S., 35 U.S.C.A. § 63, for the issuance of a patent.

On December 1st, 1933, Jewett filed his application, Serial No. 700632, for a patent upon the improvement in colored granulated material.

The invention concerns coated granules or particles, and especially artificially coated or colored roofing granules, which have a base granule, e. g. quartz, quartzite, igneous rock, artificial mineral substances, etc., over which is provided an insoluble weather-resisting coating resulting…