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.

Date of Patent:
Feb. 15, 2011

Filed:

Feb. 06, 2009
Applicant:

Clifford D. Bennett, Alta Loma, CA (US);

Inventor:

Clifford D. Bennett, Alta Loma, CA (US);

Assignee:

Dayton Superior Corporation, Dayton, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 33/76 (2006.01); B28B 7/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

A void former or dowel sleeve adapted to be encapsulated in a hardened mass of concrete, which is collapsible upon the application of a tensile force longitudinally thereof to remove the void former from the concrete and provide a void for a load transferring dowel.


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