73379 PATENTS/9/3 AND HOW TO OBTAIN THEM TOGETHER WITH A SUMMARY OF PATENT LAW BY FRANCIS M. WR RIGHT Attorney at Law and Registered Solicitor of United States Formerly U. S. Patent Office Examiner Cop, righted, 1898, by Francis M. Wright OFFICE Rooms 933-937 Monadnock Bldg., Market St., near Third St Telephone, Kearny 2726 BRANCH OFFICE Rooms 56-61, 918 F Street N. W., Washington, D. C. George Lavidson WT 1913 First Mr. Francis M. Wright is a graduate of the University of Oxford, England, where he obtained a double Class in Mathematical Honors. He was afterwards appointed a Professor in the Institute of Technology of the City of London. In 1891 he entered the U. S. Patent Office as Assistant Examiner, and had charge of important classes of inventions in the Divisions of Metal Working and Metallurgy. After having familiarized himself with the routine of the Patent Office, and acquired a thorough knowledge of Patent Law and Practice, he entered upon the profession of Solicitor of Patents at Washington, D. C., and practiced successfully for several years in that city, where he still retains a branch office. Mr. Wright has repeatedly and successfully prosecuted cases before every division and every tribunal of the Pat. ent Office, and is accurately acquainted with every detail of its working. M280233 The Foundation of the Patent Laws of the United States is found in Article I, Section 8, of the Constitution, which provides that Congress shall have power to promote the progress of science and useful arts by securing for limited times to inventors the exclusive right to their respective discoveries. The Principal Enactment of Congress in accordance with this provision of the Constitution is Section 4886 of the U. S. Revised Statutes, which, as now amended, is as follows: Any person who has invented or discovered any new and useful art, machine, manufacture, or composition of matter, or any new and useful improvements thereof, not known or used by others in this country before his invention or discovery thereof, and not patented or described in any printed publication in this or any foreign country before his invention or discovery thereof or more than two years prior to his application, and not patented in a country foreign to the United States on an application filed more than twelve months before his application, and not in public use or on sale in this country for more than two years prior to his application, may, upon payment of the fees required by law, and other due proceedings had, obtain a patent therefor. The Subjects of Patents are therefore seen to be, (1) an art, (2) a ma chine, (3) a manufacture, (4) a composition of matter, or (5) any new and useful improvement of these. A sixth class comprises Design patents, |