Notary Public.—A commissioned official who holds a seal of his office and who certifies papers, etc.
Oath.—A sworn statement of the truth.
Operate.—(1) To put into motion. (2) To do mechanical work. (See [Actuate].)
Ozone.—A colorless gas formed by discharging electricity through the air or oxygen.
Paper patent.—A patent granted by the patent office for an idea that has never been worked out in practice.
Part.—A small portion of a device or a machine.
Par value.—The full, or face value.
Patent attorney.—A lawyer who makes patent law his business or ought to.
Patent Expert.—One who is specially trained in an art or a science which enables him to give expert testimony in patent causes.
Patent Office.—(1) The building in which the patent business of the government is transacted. (2) The office conducted by the government for handling of its patent business. (3) The patent office of the U. S. is one of the bureaus of the Department of the Interior and it is under the direction of a commissioner of patents.