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:
Jul. 17, 1979
Filed:
Mar. 16, 1977
Applicant:
Inventors:
Robert W Nicks, Cardiff-By-The-Sea, CA (US);
Larry King, San Mateo, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24F / ; A24F / ;
U.S. Cl.
CPC ...
131231 ; 5538 / ;
Abstract
An ashtray open at the top for supporting burning cigarettes and collecting cigarette butts is mounted over a small battery driven DC motor which drives a closed face centrifical fan which, when activated, draws air and smoke through a replaceable cartridge filter element mounted between the fan and ashtray, expelling cleansed air at the bottom.