Tobacco Documents Online

PHILIP MO'•n.R!S INCORPORATED PONDENCE s'A I NTER-OFFII~ No aC VIRGINIA CONFIDENTIAL . Dr. E. R. :iakeham Data: Jur.e 6, : ~~r t s , ,~ ~ ` ~ A ~ ~ 19e1 _ .~ t~ ~„i '"0 • Thelma C. :eatvole •bject: Sclf-liaht:ng end ~tio DZ t+~A r ~), d ~(~ „/ V ~ seu-exticgoishi:w csgarattes /: "~¢ L ~"1,.~~9 ~' X y.j , `O%L,2t Since the time that Philip korris has had a R.:see:•ch~Division, nite- outiide ideas concerned vith a self-lighting cigarette (see attached list) have been submitted for eveluztion. Our correspondence about them indicates that practically all of them were referred to the Mardeting Depertment. The evaluations of them by the Research Division is summarized below: Lighting reliability - around 30;e Cigar_ttes marbled Phos,phorus odor in side stream Bire hazard in msnufscturing Clu=sy product Would reouire specially designed machinery Would reguire premium price Meterials toxic GOPNI Batveen 1952 and the present time, tie U. S. patents have issued on Class 131 - Subclass 7 - Isnition Source Combined :rith Cirerette; U.S. 2,652,060, U.S. 2,721, 558, U• S. 2,724,383, U. S. 2,844,l52, U. S. 2,674,700. Three of these patents, end one that issued 16 1929 eare attached. These are our only copies and should be returned to the riles: Three outside ideas concerned with a self-extiaZuishind cigarette have been sub- mitted sin.e 1952. 1~xo of these have co^e to us recently. Thsrmofaxes of the ideas and the evaluations of them are ettached. I have been unable to find any patents issued betreen 1952-1961 on e aelf-extia,;uishing cigarette. ~ i- TCd:je cc: Dr. N. Bavley (Mrs.) Thelma C. Beetvole Patent ::iaisoz Officer ~ O N ~ 0 ~ C61-01248 N