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. 27, 1993
Filed:
Apr. 05, 1991
Applicant:
Inventors:
Walter A Kunze, Southington, CT (US);
Robert J Semanchik, Oxford, CT (US);
Assignee:
Waterbury Companies, Inc., Waterbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L / ;
U.S. Cl.
CPC ...
422123 ; 422-5 ; 422124 ; 422306 ; 261 95 ; 261101 ; 261D / ; 261D / ; 239 53 ; 239 55 ; 239 56 ; 239 57 ; 428905 ;
Abstract
A cartridge for an air freshener is disclosed, having a pad sealed within a housing by an air-permeable membrane. The density, permeability, and fiber characteristics of the pad and membrane are selected to achieve extended life while maintaining satisfactory air freshening performance.