Straight tube trailer hitch

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Description

FIG. 1 is a front elevational view of a first embodiment of our new design;

FIG. 2 is a rear elevational view of the first embodiment;

FIG. 3 is a top plan view of the first embodiment;

FIG. 4 is a bottom plan view of the first embodiment;

FIG. 5 is a left side elevational view of the first embodiment;

FIG. 6 is a right side elevational view of the first embodiment;

FIG. 7 is a front elevational view of a second embodiment of our new design;

FIG. 8 is a rear elevational view of the second embodiment;

FIG. 9 is a top plan view of the second embodiment;

FIG. 10 is a bottom plan view of the second embodiment;

FIG. 11 is a left side elevational view of the second embodiment; and,

FIG. 12 is a right side elevational view of the second embodiment.

Referenced Cited
U.S. Patent Documents
D234949 April 1975 Rendessy
D264697 June 1, 1982 Monteith
D265645 August 3, 1982 Hampton
D268574 April 12, 1983 Hampton
D341117 November 9, 1993 Sundstedt
D346782 May 10, 1994 Schmidt
D367632 March 5, 1996 Grieve
D373557 September 10, 1996 Shaw et al.
4714265 December 22, 1987 Franklin
4921231 May 1, 1990 Reynolds et al.
5094469 March 10, 1992 Yamamoto et al.
5352083 October 4, 1994 Roberts et al.
5451088 September 19, 1995 Broad
5476279 December 19, 1995 Klemetsen
Other references
  • Four drawings illustrating admitted prior art trailer hitch, no date given. J.C. Whitney & Co Catalog, No. 575C.COPYRGT. 1995, p. 190, the transmission mount.
Patent History
Patent number: D420631
Type: Grant
Filed: Nov 1, 1996
Date of Patent: Feb 15, 2000
Inventors: David William Shaw (Saginaw, MI), Gary Burton Scott (Midland, MI), Robert Jay Shortland (Bridgeport, MI)
Primary Examiner: Robert M. Spear
Law Firm: Brooks & Kushman P. C.
Application Number: 0/61,844
Classifications
Current U.S. Class: Draw Element, E.g., Trailer Hitch (D12/162)
International Classification: 1216;