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. 23, 1996
Filed:
Aug. 16, 1994
Applicant:
Inventors:
Michael Karbanowicz, West Pennant Hills, AU;
Michael Bishop, Castle Hill, AU;
Assignee:
The Commonwealth Industrial Gases Limited, New South Wales, AU;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25C / ;
U.S. Cl.
CPC ...
239 142 ; 239172 ; 239450 ;
Abstract
A carbon dioxide snow discharge apparatus having at least two snow discharge tubes wherein at least two of the snow discharge tubes have different internal diameters which can be operated either individually or together to vary the flow rate of the carbon dioxide snow, the snow discharge tubes being joined at selected points along their length.