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:
Jan. 24, 1984
Filed:
Aug. 25, 1980
Applicant:
Inventor:
Carl W Peterson, Jacksonville, FL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B / ; B28B / ; B28B / ; B28B / ;
U.S. Cl.
CPC ...
264333 ; 264337 ; 249122 ; 249134 ; 249142 ; 249144 ; 249145 ; 249150 ; 249175 ;
Abstract
A form for preparing a poured concrete hollow shape having a transverse hole through a wall of the shape comprising a form of at least one releasable section, a central core for said hollow, and a core for said transverse hole abutting said central core and said releasable section; said transverse hole core having a surface of a fluorocarbon elastomer where said surface is contacted by poured concrete.