Commissioner of Patents.—The head, front and center of the patent office.
Concentric Circles.—Circles drawn within circles and all of them having the same center.
Corporation.—(1) A company. (2) An imaginary person invented by law and formed of one or more real persons banded together to transact business.
Correspondent.—(1) An associate. (2) A lawyer that carries on his business with another lawyer at a distance.
Consumer.—The last buyer and the user of an article or a device.
Cross-section.—See [Drawing, Cross-section].
Counsel.—A patent attorney who is qualified to prosecute patent cases in court.
Data.—Information that is known or may be had.
Deductive Proof.—That form of thought by which an idea used as a starting point is brought to a conclusion by known principles and facts. (See [Inductive Discovery].) Inductive discovery is the raw idea and does not lead up to certainty, whereas deductive proof does.