Pavement marker

Description

FIG. 1 is a perspective view of a pavement marker showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom elevational view thereof;

FIG. 4 is a front elevational view thereof, the rear elevational view being the same; and,

FIG. 5 is a left side elevational view thereof, the right side elevational view being the same.

Referenced Cited
U.S. Patent Documents
D311704 October 30, 1990 May
D339080 September 7, 1993 Gartlacher
D354246 January 10, 1995 Weid
D360601 July 25, 1995 Weid
D382826 August 26, 1997 Sakko
D386706 November 25, 1997 Khieu
2666373 January 1954 Mattson
2699982 January 1955 Batterson
3427933 February 1969 Taylor-Myers
3712706 January 1973 Stamm
3717076 February 1973 Shields et al.
3758191 September 1973 Hedgewick
3924929 December 1975 Holmen et al.
3971623 July 27, 1976 Hedgewick et al.
4070095 January 24, 1978 Suhr
4232979 November 11, 1980 Johnson, Jr. et al.
4340319 July 20, 1982 Johnson, Jr. et al.
4349598 September 14, 1982 White
4391948 July 5, 1983 Falk et al.
4428320 January 31, 1984 Oplt et al.
4498733 February 12, 1985 Flanagan
4726706 February 23, 1988 Attar
4875798 October 24, 1989 May
4895428 January 23, 1990 Nelson et al.
5078538 January 7, 1992 Montalbano
5226745 July 13, 1993 Gartlacher
5244946 September 14, 1993 Guest et al.
5267809 December 7, 1993 Allan
5340231 August 23, 1994 Steere et al.
5403115 April 4, 1995 Flader
5449244 September 12, 1995 Sandino
5460115 October 24, 1995 Speer et al.
5470170 November 28, 1995 Lindner
5667335 September 16, 1997 Khieu et al.
Foreign Patent Documents
0 171 030 February 1986 EPX
24 29 640 January 1975 DEX
1028832 May 1966 GBX
2 279 681 January 1995 GBX
WO 95/00709 January 1995 WOX
Patent History
Patent number: D422932
Type: Grant
Filed: Apr 23, 1999
Date of Patent: Apr 18, 2000
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Sithya S. Khieu (Eden Prairie, MN), Gregory E. Gilligan (Hastings, MN)
Primary Examiner: Marcus A. Jackson
Attorney: Peter L. Olson
Application Number: 0/103,951
Classifications
Current U.S. Class: D10/113
International Classification: 1005;