Sprocket

- Machinefabriek Lubo B.V.

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Description

FIG. 1 is a front view of my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side view thereof.

Claims

I claim the ornamental design for a sprocket, as shown and described.

Referenced Cited
U.S. Patent Documents
D262372 December 22, 1981 Mitchell
D272671 February 14, 1984 Tupper
D286932 November 25, 1986 Bode et al.
817632 April 1906 Dodge
904119 November 1908 Downs
4458603 July 10, 1984 Voecks
4462316 July 31, 1984 Tupper
4584945 April 29, 1986 Tupper
5156574 October 20, 1992 Gai
Patent History
Patent number: D439721
Type: Grant
Filed: Dec 28, 1999
Date of Patent: Mar 27, 2001
Assignee: Machinefabriek Lubo B.V. (Veenoord)
Inventor: Gerard C. P. M. Swanink (Coevorden)
Primary Examiner: Cynthia E Ramirez
Attorney, Agent or Law Firm: Abelman, Frayne & Schwab
Application Number: 29/116,216
Classifications
Current U.S. Class: Belt Or Roller Conveyor (D34/29); Element Or Attachment (D34/35)
International Classification: 1205;