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:
May. 14, 1991
Filed:
Dec. 05, 1989
Applicant:
Inventors:
Eric Walowit, Springboro, OH (US);
Gregory J Sexton, Dayton, OH (US);
Assignee:
The Mead Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
553851 ; 55490 ;
Abstract
A cartridge or cassette of web-type media material for delivery to utilization apparatus, such as a photocopier system, incorporates a filter which is integrated into the cartridge for filtering or absorbing fumes or gasses generated by the processing of the media material. The filter is automatically replaced and changed with the replacement of the cartridge.