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. 13, 1989
Filed:
Mar. 27, 1987
James W Phelpstead, Southampton, GB;
British-American Tobacco Company Limited, London, GB;
Abstract
In a smoking article comprising a smoking rod and a mouthpiece, the rod may comprise a wrapped body, of particles of tobacco and/or other smoking material, of which body the packing density is in a range of from 100 to 400 mg cm.sup.-3, a passage extending within the rod and in gas-flow communication with the mouthpiece and the article comprising menthol or other vapor-release material at the mouthpiece and/or at a mouthpiece-end zone of the passage. The passage, which may extend substantially to the mouthpiece end of the rod, may be closed at the end thereof remote the mouthpiece end. The passage may be provided by a tube of combustible material or as a bore extending within said body of particles. A portion of the cross-section of the mouthpiece end of the rod not occupied by said passage may be in gas-flow communication with the mouthpiece. The mouthpiece may comprise a filter.