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

- Hallsten Corporation
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Description

FIG. 1 is a partial perspective view from one end, of an extruded metal beam tube for an interlocking field-erectable deck or cover structure according to my new design;

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

FIG. 3 is a side elevation view thereof, both sides being identical; and,

FIG. 4 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D233746 November 1974 Bowser
3593468 July 1971 Bostin
4004392 January 25, 1977 Shepard et al.
4078515 March 14, 1978 Svirklys
5050361 September 24, 1991 Hallsten
Patent History
Patent number: D358671
Type: Grant
Filed: Dec 7, 1993
Date of Patent: May 23, 1995
Assignee: Hallsten Corporation (Sacramento, CA)
Inventor: Jeffrey A. Hallsten (Sacramento, CA)
Primary Examiner: Doris Clark
Attorney: Thomas M. Freiburger
Application Number: 0/16,087
Classifications
Current U.S. Class: Parallel Repeating Ribs Or Grooves (D25/125)