Combined blackboard and tray

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a combined blackboard and tray with the tray shown attached;

FIG. 2 is a front elevational view, with the tray removed for ease of illustration;

FIG. 3 is a side elevational view of FIG. 2;

FIG. 4 is a top plan view of FIG. 2;

FIG. 5 is a perspective view of the tray in FIG. 1 shown separately for ease of illustration;

FIG. 6 is a front view of the tray;

FIG. 7 is a side view of the tray;

FIG. 8 is a top view of the tray; and,

FIG. 9 is a perspective view of the tray prior to being bent to the shape shown in FIG. 5.

Claims

The ornamental design for a combined blackboard and tray, as shown and described.

Referenced Cited
U.S. Patent Documents
D250652 December 26, 1978 Anderson
D339379 September 14, 1993 Pershing
D353295 December 13, 1994 Bodine
2499240 February 1950 Aiken
3336682 August 1967 Genin
4133123 January 9, 1979 Anderson
5035626 July 30, 1991 Persing
Patent History
Patent number: D436128
Type: Grant
Filed: Dec 20, 1999
Date of Patent: Jan 9, 2001
Assignee: WKB Wirtschafts-und Konzeptberatung GmbH (Tuebingen)
Inventor: Arno Keglmaier (Tuebingen)
Primary Examiner: Martie K. Holtje
Attorney, Agent or Law Firm: Pollock, Vande Sande & Amernick, R.L.L.P.
Application Number: 29/115,600