Beam

Description

FIG. 1 is a perspective view of a beam showing our new design;

FIG. 2 is a perspective view of a second embodiment of a beam showing our new design;

FIG. 3 is a perspective view of a third embodiment of a beam showing our new design;

FIG. 4 is a perspective view of a fourth embodiment of a beam showing our new design; and

FIG. 5 is a perspective view of a fifth embodiment of a beam showing our new design.

Referenced Cited
U.S. Patent Documents
D223236 April 1972 Watanable et al.
D305899 February 6, 1990 Fasth
799320 September 1905 Franks
3327440 June 1967 Watkins
3592493 July 1971 Goose
Patent History
Patent number: D316444
Type: Grant
Filed: Jul 26, 1990
Date of Patent: Apr 23, 1991
Inventors: Goran Abbestam (S-416 70 Goteborg), Leif Lachonius (S-445 00 Surte)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Application Number: 7/558,191
Classifications
Current U.S. Class: With Hollow Core (D25/122)