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:
Feb. 10, 1998
Filed:
Dec. 29, 1995
Applicant:
Inventors:
Pheroze J Nagarwalla, St. Charles, IL (US);
Raymond F Witte, Naperville, IL (US);
Assignee:
Georg Fischer Disa, Inc., Oswego, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B22C / ; B22C / ;
U.S. Cl.
CPC ...
164 20 ; 164 21 ; 164158 ; 164186 ; 164228 ; 164234 ;
Abstract
The core box includes a cavity therein, a vent in fluid communication with the cavity, ejector members, and apparatus coupled to the ejector members for passing a fluid through the vent into the cavity.