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:
Jun. 10, 1986
Filed:
Jun. 14, 1985
Applicant:
Inventors:
Assignee:
H.F. & Ph.F. Reemtsma GmbH & Co., Hamburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D / ; A24D / ;
U.S. Cl.
CPC ...
131336 ; 131338 ; 1311982 ;
Abstract
A variably ventilatable filter cigarette is provided with a filter body having a plurality of spaced circumferential, peripheral channels covered by a wrapping sheet at least a portion of which is air permeable, the wrapping sheet extending beyond the filter body to receive a cup-shaped member having an end wall with perforations alignable with the channels; the cup-shaped member is rotatable to vary the degree of registration with respect to the channels.