Construction unit

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Description

FIG. 1 is a side and bottom perspective view of a construction unit, showing our new design;

FIG. 2 is a side and top perspective view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a side elevational view thereof, seen from the side opposite that shown in FIG. 5; and,

FIG. 8 is a side elevational view, seen from the side opposite that shown in FIG. 4.

Referenced Cited
U.S. Patent Documents
D196362 September 1963 Bassetti
D214745 July 1969 Walker
D307792 May 8, 1990 Poulsen
D324704 March 17, 1992 Lawson et al.
D370503 June 4, 1996 Burns
D392749 March 24, 1998 Murray et al.
2902821 September 1959 Kelly, Jr.
3310906 March 1967 Glukes
3834182 September 1974 Trask
5073138 December 17, 1991 Klitsner et al.
5137485 August 11, 1992 Penner
5653621 August 5, 1997 Yao
Patent History
Patent number: D414276
Type: Grant
Filed: Nov 13, 1997
Date of Patent: Sep 21, 1999
Assignee: Global Float Systems AB (Stockholm)
Inventors: Sture Bruno (Ronninge), Birger Eliasson (Morsil)
Primary Examiner: Raphael Barkai
Law Firm: Young & Thompson
Application Number: 0/79,472
Classifications
Current U.S. Class: Construction Block Or Brick Type (17) (D25/113); Circular (D21/488)
International Classification: 2501;