Concrete wall forming extrusion

Description

The FIGURE is a perspective view of a concrete wall forming extrusion showing our new design.

Referenced Cited
U.S. Patent Documents
D300063 February 28, 1989 Sheltra
4582453 April 15, 1986 Cervia
5450699 September 19, 1995 Lee
Patent History
Patent number: D424215
Type: Grant
Filed: Aug 13, 1999
Date of Patent: May 2, 2000
Assignee: Miller-Valentine Construction Inc. (Dayton, OH)
Inventors: Kurt S. Eyring (Centerville, OH), Kyozaburo Takagi (Centerville, OH)
Primary Examiner: Doris Clark
Law Firm: Jacox, Meckstroth & Jenkins
Application Number: 0/109,324
Classifications
Current U.S. Class: With Hollow Core (D25/122)
International Classification: 2501;