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. 22, 1998
Filed:
May. 21, 1998
Applicant:
Inventor:
Thomas Chadwick, Nipomo, CA (US);
Assignee:
Den-Mat Corporation, Santa Maria, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ; C04B / ; A61C / ;
U.S. Cl.
CPC ...
75228 ; 75245 ; 501103 ; 264434 ; 419-2 ; 419 36 ; 4332021 ; 433207 ;
Abstract
Shaped article replicas which are proportionately accurate replicas of a shaped article and which are equal, greater or smaller in size than said shaped article are made by preparing a swellable polymer cavity mold from said shaped article; immersing said swellable polymer cavity mold in a swelling agent system under conditions which will enlarge said cavity mold to a predetermined extent; forming a powder compact in said casting mold or a replica thereof and heating said powder compact to produced a proportionately accurate solid replica of a predetermined size.