Display sheet

- Duratec Corporation

Latest Duratec Corporation Patents:

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

FIG. 1 is a perspective view of a note paper display sheet, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is bottom plan view thereof;

FIG. 4 is a left side elevational view thereof; and

FIG. 5 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
938910 November 1909 Sultzer
2123903 July 1938 Lane et al.
2539718 January 1951 Balzak
3071881 January 1963 Ruterbusch
3267980 August 1966 Bird
3651591 March 1972 Woodyard
3735516 May 1973 Wenstrom
3921322 November 1975 Sharp
4065864 January 3, 1978 Stanley
4500021 February 19, 1985 Bildusas
4605245 August 12, 1986 Weaver
4676527 June 30, 1987 Palmer
Foreign Patent Documents
1156540 May 1958 FRX
2187140 September 1987 GBX
Other references
  • Myron Manufacturing Corp., Spring, 1971, p. 8, Envelope on left center of page.
Patent History
Patent number: D312835
Type: Grant
Filed: May 29, 1987
Date of Patent: Dec 11, 1990
Assignee: Duratec Corporation (St. Paul, MN)
Inventor: Ronald A. Holm (Maplewood, MN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Pamela J. Schmidt
Law Firm: Kinney & Lange
Application Number: 7/55,749
Classifications
Current U.S. Class: Leaf (5) (D19/33)