AN ACT PLACING THE BUREAU OF PATENTS, COPYRIGHTS, AND TRADE-MARKS UNDER THE IMMEDIATE DIRECTION OF THE CHIEF OF THE BUREAU OF ARCHIVES SUBJECT TO THE EXECUTIVE CONTROL OF THE SECRETARY OF PUBLIC INSTRUCTION, INCREASIING THE NUMBER OF EMPLOYEES SAID BUREAU OF PATENTS, COPYRIGHTS, AND TRADE-MARKS, AND AMENDING ACT NUMBERED SIX HUNDRED AND THIRTY-SEVEN AND SIX HUNDRED AND SIXTY-SIX.