Excerpt from The Armour Engineer, Vol. 24: November, 1932 The prime purpose of a trademark is to distinguish the goods of one trader from those of another. If the mark does not perform this function, but instead, is used merely to distin guish one grade of goods from another, its user does not generally acquire trademark rights in the mark even though he complies with all the other requirements. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.