Patent · US Expired

Cigarette and method of making same

US5819751A · kind A · utility

110Cited by

34References

9Claims

0Family size

Assignee

R.J. REYNOLDS TOBACCO COMPANY · US

Inventors

Vernon Brent Barnes · Clemmons, US
Donald R. Wilkinson · Clemmons, US
Lloyd Harmon Hancock · Walnut Cove, US
Erwin Oesterling · Hamburg, DE
Siegfried Schlisio · Geesthacht, DE
Werner Hinz · Bischofswerda, DE

Key dates

Filing date	Oct 25, 1995
Grant date	Oct 13, 1998
Priority date	—
Expiry date	Oct 25, 2015

Classification

Technology area (CPC A)Human Necessities
CPC primaryA24D3/17
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

Cigarettes and methods of making them, in which an insulated fuel element is combined with a substrate assembly comprising a substrate within a tube, combining a roll of tobacco with a plug of tobacco paper, combining the fuel element/substrate assembly with the tobacco/tobacco paper assembly, and combining the resulting combination with a filter element to produce filter cigarettes. Methods of constructing the various and preferred subassemblies are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.