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:
Dec. 13, 1994
Filed:
Feb. 24, 1993
Applicant:
Inventors:
Hugh J McCafferty, Midlothian, VA (US);
Charles T Higgins, Richmond, VA (US);
William L Lucas, Sr, Richmond, VA (US);
Assignee:
Philip Morris Incorporated, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
A24F / ;
U.S. Cl.
CPC ...
131194 ; 131270 ; 131329 ; 12820221 ; 12820317 ; 12820327 ; 219497 ;
Abstract
A method and an apparatus for controlling energy flow into a heating load array of a smoking article are provided. In response to a pressure drop in the mouthpiece of the smoking article, a selected load in the heating load array is switchably connected to a power supply. Energy delivered to the load is measured and the load is disconnected when a predetermined amount of energy has been delivered.
Published as:
CA2134122A1; WO9418860A1; AU6275094A; US5372148A; EP0637212A1; KR950700692A; JPH07506008A; AU677642B2; EP0637212B1; ATE183894T1; DE69420344D1; DE69420344T2; GEP20002172B; KR100286488B1; CA2134122C; JP3696619B2;