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:
Dec. 04, 2001
Filed:
Apr. 05, 2000
Applicant:
Inventors:
Robert W. Ratte, North Oaks, MN (US);
Douglas P. Ferron, White Bear Lake, MN (US);
Thomas P. Donohoe, St. Paul, MN (US);
Geoffrey F. Ratte, Metairie, LA (US);
Assignee:
Water Gremlin-Co., White Bear Lake, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 2/300 ;
U.S. Cl.
CPC ...
B22D 2/300 ;
Abstract
An improved fishing sinker having a specific gravity sufficiently high so as to provide sufficient weight without undue bulkiness with the fishing sinker having a body of material formed from bismuth or an alloy of bismuth and a method of casting a bismuth containing sinker in order to have the sinker release from the mold as well as a method of forming a runner attachment to the fishing sinker to enable quick and clean removal of the solidified runner from the solidified fishing sinker.