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:
Sep. 18, 1990
Filed:
Jun. 06, 1989
Applicant:
Inventor:
Gilbert W Brassell, Golden, CO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55316 ; 553854 ; 55502 ; 55510 ; 55518 ;
Abstract
An assembly retains an element such as a filter in a vent opening of a waste disposal bag which can contain hazardous materials such as nuclear waste. The assembly includes a base plate and a cap plate. The base plate and cap plate cooperate to define a chamber for holding the filter element and to sandwich therebetween a portion of the bag adjacent the vent.