Coupling

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Description

FIG. 1 is a top plan view of a coupling showing our new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image of the side shown;

FIG. 3 is an end elevational view thereof, the opposite end being a mirror image of the end shown; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D142057 August 1945 Baxter
D168928 March 1953 English
1869778 August 1932 Roberts
2028182 January 1936 Barnickol, Jr.
2752173 June 1956 Krooss
2936186 May 1960 Dunmine
3024046 March 1962 Frost et al.
3251615 May 1966 Short, III
3664691 May 1972 Nakamura
4248460 February 3, 1981 Murray et al.
4408788 October 11, 1983 Beukema
Patent History
Patent number: D287532
Type: Grant
Filed: Apr 17, 1984
Date of Patent: Dec 30, 1986
Assignee: Victaulic Company of America (Easton, PA)
Inventors: Robert E. Jones (Berkley Heights, NJ), Emerson Purkapile (Chicago, IL)
Primary Examiner: James R. Largen
Law Firm: Abelman, Frayne Rezac & Schwab
Application Number: 6/600,573
Classifications
Current U.S. Class: D23/43