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. 19, 1999
Filed:
Oct. 16, 1997
Applicant:
Inventors:
Charles W Harris, Chesterfield, VA (US);
H Neal Nunnally, Richmond, VA (US);
Robert L Ripley, Midlothian, VA (US);
Masato Sano, Sumoto, JP;
Barry S Smith, Hopewell, VA (US);
Assignee:
Philip Morris Incorporated, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24F / ; A24F / ;
U.S. Cl.
CPC ...
131330 ; 131905 ; 131906 ; 131329 ;
Abstract
A cigarette identifier system comprising an infrared emitter and an infrared detector located across an opening of a cigarette receiver, wherein the sensor registers changes in the transmission of the infrared beam across the opening so as to detect the differences in transmissivity of dense and less dense and portions of an inserted cigarette.
Published as: