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
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)