Patents. Amending sec. 4886, 4887, 4920, and 4929. Revised statutes, report to accompany H. R. 6872 [to amend sec. 4886, 4887, 4920, and 4929, Revised statutes (U. S. C., title 35, sec. 31, 32, 69, and 73), so as to reduce statutory times for public use and publication before filing applications for patent from 2 years to 1 year]; submitted by Mr. Lucas.