Tray blank


FIG. 1 is perspective view of a tray blank showing our new design, and

FIG. 2 is a plan view thereof, the opposite side being the same in appearance.

The dash lines in the drawing represent score lines and fold lines.

Referenced Cited
U.S. Patent Documents
D31998 December 1899 Walker
D249022 August 22, 1978 Bamburg et al.
D249872 October 10, 1978 Booth et al.
3708103 January 1973 Evans
4134533 January 16, 1979 Heavner
Patent History
Patent number: D256437
Type: Grant
Filed: Jan 17, 1978
Date of Patent: Aug 19, 1980
Assignee: Champion International Corporation (Stamford, CT)
Inventors: Rudolph A. Faller (Edina, MN), William M. Tolaas (Shore View, MN)
Primary Examiner: Robert C. Spangler
Attorney: Evelyn M. Sommer
Application Number: 5/870,262
Current U.S. Class: D/9245
International Classification: D0903;