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:
Nov. 20, 1990
Filed:
Mar. 17, 1989
Applicant:
Inventors:
Francis V Bailey, Racine, WI (US);
Russell J Van Rens, Milwaukee, WI (US);
Assignee:
Outboard Marine Corporation, Waukegan, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C / ;
U.S. Cl.
CPC ...
164192 ; 2221445 ; 164237 ; 164 34 ; 164376 ;
Abstract
An apparatus comprising a batch hopper including a bottom wall having therein a plurality of openings, a plurality of walls dividing the batch hopper into a plurality of compartments each communicating with a respective one of the openings and each adapted to receive sand from a main hopper, and a sliding gate for simultaneously opening and closing the openings in the bottom wall of the batch hopper.