Multi-tiered desk tray

- Hans Friedrich Hefendehl

FIG. 1 is a top, left front perspective view of a multi-tiered desk tray showing my new design, the right side being a mirror image thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D116600 September 1939 Thorn et al.
D143467 January 1946 Cunningham
D187444 March 1960 Lewis
D220702 May 1971 Sweet, Jr.
D249048 August 22, 1978 Drell et al.
D257858 January 13, 1981 Sklaroff
D261904 November 17, 1981 Polhemus
D297689 September 20, 1988 Zimmer
3480154 November 1969 Telfer
3482708 December 1969 Levit et al.
4930640 June 5, 1990 Edwards
Patent History
Patent number: D325222
Type: Grant
Filed: Jan 29, 1990
Date of Patent: Apr 7, 1992
Assignee: Hans Friedrich Hefendehl (Kierspe)
Inventor: Bernd Brussing (Ulm/Donau)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Attorneys: Herbert Dubno, Ronald Lianides
Application Number: 7/471,803