Adjustable-filter cigarette

Claim 1

IN A CIGARETTE, THE COMBINATION OF AN ELONGATED CYLINDRICAL BODY FILLED WITH TOBACCO FOR THE MAJOR PORTION OF ITS LENGTH, A CYLINDER OF CRUSHABLE FILTER MATERIAL AT ONE END OF SAID BODY, SAID CYLINDER HAVING AN AXIAL BORE EXTENDING THE FULL LENGTH THEREOF AND A REMOVABLE PLUG OF FILTER MATERIAL NORMALLY SUBSTANTIALLY FILLING AND CLOSING SAID BORE, WHEREBY UPON REMOVAL OF SAID PLUG, SMOKE MAY PASS FROM THE IGNITED TOBACCO DIRECTLY TO THE MOUTH OF THE USER WITHOUT FILTERING, THE SMOKE BEING FULLY FILTERED WHEN THE CIGARETTE IS SMOKED WITH SAID PLUG IN POSITION, SAID BORE BEING PROVIDED INTERIORLY WITH NORMALLY INOPERATIVE, PRESSURE SENSITIVE SELF SEALING ADHESIVE MEANS, SAID ADHESIVE BEING NON-ADHERENT TO SAID PLUG, BUT OPERATIVE FOR SELF ADHERING SEALING ENGAGEMENT UPON DIGITAL CRUSHING CLOSURE OF SAID BORE TO FASTEN AND RETAIN OPPOSED PARTS OF SAID BORE TOGETHER IN CLOSED RELATIONSHIP, AFTER REMOVAL OF SAID PLUG, TO REESTABLISH FULL FILTERING OF THE SMOKE.