Extruded metal plank for an interlocking field-erectable deck or cover structure

- Hallsten Supply Co.

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Description

FIG. 1 is a perspective view from one end, showing an extruded metal plank for an interlocking field-erectable deck or cover structure according to our new design;

FIG. 2 is an end elevation view, the opposite end being identical thereto;

FIG. 3 is a right side elevation view thereof; and,

FIG. 4 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D233746 November 1974 Bowser
3680530 August 1972 Drawsky
3813839 June 1974 Simpson, Jr. et al.
3837319 September 1974 Lehe
4048960 September 20, 1977 Barnidge et al.
4604842 August 12, 1986 Sukup
5050361 September 24, 1991 Hallsten
Patent History
Patent number: D345222
Type: Grant
Filed: Aug 21, 1992
Date of Patent: Mar 15, 1994
Assignee: Hallsten Supply Co. (North Highlands, CA)
Inventors: Jeffrey A. Hallsten (Sacramento, CA), John Hallsten (Sacramento, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Attorney: Thomas M. Freiburger
Application Number: 7/933,464