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:
Aug. 10, 1976
Filed:
May. 05, 1975
Applicant:
Inventors:
Lionel G Moore, Jr, Milwaukee, WI (US);
Thomas P Flynn, Milwaukee, WI (US);
Assignee:
Super Products Corporation, Milwaukee, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55302 ; 55314 ; 5534 / ; 55381 ; 15352 ;
Abstract
A vacuum cleaning or loading device of the type including a means for filtering airborne fine particulate material also includes a back-up filter system for protecting the vacuum exhauster or blower. A by-pass system may preferably be used with the back-up filtration system to protect the primary filter media when the cleaner or loader is being used for collection of liquids. The device may be self-propelled or stationary and may be used for various collecting, loading, transportation or cleaning jobs.