Traction ramp device

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Description

FIG. 1 is a top plan view of the traction ramp device of the present invention;

FIG. 2 is a bottom plan view of the traction ramp device of FIG. 1;

FIG. 3 is a front elevational view of a traction ramp device thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D232020 July 1974 Borsuk
D237162 October 1975 Miller
D313102 December 18, 1990 Cano
D346256 April 19, 1994 Thomas, III et al.
D351710 October 18, 1994 Richardson
3863895 February 1975 Grewe et al.
4238003 December 9, 1980 Hunter
4310271 January 12, 1982 Canellis et al.
5033146 July 23, 1991 Fogalty et al.
5446937 September 5, 1995 Haskins
Other references
  • Mobile-Dock loading ramp, Magliner Bulletin, Apr. 1968.
Patent History
Patent number: D388927
Type: Grant
Filed: Nov 29, 1996
Date of Patent: Jan 6, 1998
Inventor: William S. Morgan (New York, NY)
Primary Examiner: M. N. Pandozzi
Application Number: 0/63,151
Classifications
Current U.S. Class: Ramp (D34/32); D7/31
International Classification: 1205;