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:
Oct. 16, 1990
Filed:
Dec. 06, 1988
Applicant:
Inventor:
Lawrence M Layden, Stanton, NJ (US);
Assignee:
The BOC Group, Inc., New Providence, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B / ;
U.S. Cl.
CPC ...
239597 ; 239590 ; 51320 ; 134 93 ; 134198 ;
Abstract
Apparatus for removing small particles from a substrate including superimposed plates forming at least two parallel chambers and a film-like member interposed between the plates and adapted to provide flow communication between the chambers to enable fluid carbon dioxide to form a mixture of solid particles and gaseous carbon dioxide which flows out of an ejection port toward the substrate.