Expansion joint

- Z-Tech Enterprises Inc.

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Description

FIG. 1 is a perspective view of an expansion joint showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a perspective view of a second embodiment of the design of FIG. 1;

FIG. 5 is a side elevational view of FIG. 4.

Referenced Cited
U.S. Patent Documents
RE21880 August 1941 Jacobson
1079870 November 1913 Lloyd
1604992 November 1926 Gregg et al.
2119355 May 1938 Robertson
2144815 January 1939 Robertson
2153394 April 1939 Robertson
2301137 November 1942 Mosall
3877829 April 1975 Honegger
3888599 June 1975 Reifsnyder
3904302 September 1975 Bertschmann
3994609 November 30, 1976 Puccio
4030156 June 21, 1977 Raymond
4290713 September 22, 1981 Brown et al.
4423979 January 3, 1984 Brown
Foreign Patent Documents
1028183 March 1978 CAX
1037756 September 1978 CAX
1048325 February 1979 CAX
2136842 July 1973 DEX
2609759 September 1977 DEX
0475428 July 1969 CHX
Patent History
Patent number: D285006
Type: Grant
Filed: May 23, 1983
Date of Patent: Aug 5, 1986
Assignee: Z-Tech Enterprises Inc. (Boisbriand)
Inventors: Raoul M. Moulinie (Lachenaie), Guy Gagne (St. Sauveur des Montes)
Primary Examiner: B. J. Bullock
Law Firm: McFadden, Fincham & Co.
Application Number: 6/497,033
Classifications
Current U.S. Class: D25/73