The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 07, 1980
Filed:
Jul. 12, 1978
Applicant:
Inventors:
Seymour Ehrenpreis, Skokie, IL (US);
Barry Freedman, Skokie, IL (US);
Assignee:
Peterson Labs., Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24F / ; A24F / ;
U.S. Cl.
CPC ...
131187 ; 131 107 ; 131202 ;
Abstract
A smoking system is provided to filter tobacco smoke and remove harmful ingredients present in the smoke without adversely affecting the aroma and taste of the smoke and permitting easy draw of the smoke from a cigarette. A cylindrical chamber containing filtering means including a cation exchange material is formed to receive a cigarette at one end and to serve as a mouthpiece at the opposite end.