Handbook of Patents

abandoned action allowed apparatus Appeals application assignment attorney cause Chapter chemical circuit cited claims combination complete compound connection constitute construction contract Corp court covered decision described determine device disclaimer disclosure discovery drawings effect Electric elements evidence Examiner fact field filed foreign give given granted held illustrated important improvement industry infringement interference invalid invention inventor involved issue known lateral license limited machine manufacture material matter means mechanical method nature necessary obtained operation original particular party patent law Patent Office period person plant position possible practice present prior protection question reason received record reduced reference reissue result rule skill specification statute steps substantially success suit Supp tion United utility valid