Structural beam for concrete form systems
Latest Wilian Holding Company Patents:
Description
FIG. 1 is a front perspective view of a structural beam for concrete form systems showing my new design;
FIG. 2 is a side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a cross-sectional view taken along line 5--5 of FIG. 3.
Referenced Cited
U.S. Patent Documents
861924 | July 1907 | Weatherly, Sr. |
1242892 | October 1917 | Wagner |
2067403 | January 1937 | Lea |
3094197 | June 1963 | Attwood |
3141531 | July 1964 | Montgomery |
Patent History
Patent number: D325261
Type: Grant
Filed: Jan 5, 1990
Date of Patent: Apr 7, 1992
Assignee: Wilian Holding Company (Des Moines, IA)
Inventor: Robert G. McCracken (Des Moines, IA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Attorneys: Kent A. Herink, Brian J. Laurenzo
Application Number: 7/461,353
Type: Grant
Filed: Jan 5, 1990
Date of Patent: Apr 7, 1992
Assignee: Wilian Holding Company (Des Moines, IA)
Inventor: Robert G. McCracken (Des Moines, IA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Attorneys: Kent A. Herink, Brian J. Laurenzo
Application Number: 7/461,353
Classifications
Current U.S. Class:
Openwork Type Or With Opening (D25/132)