Trailer coupler

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Description

FIG. 1 is a perspective view of a trailer coupler showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a front end elevation view thereof;

FIG. 4 is a rear end elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of a trailer coupler showing a second embodiment of my new design;

FIG. 8 is a side elevation view of FIG. 7;

FIG. 9 is a front end elevation view of FIG. 7;

FIG. 10 is a rear end elevation view of FIG. 7;

FIG. 11 is a top plan view of FIG. 7; and

FIG. 12 is a bottom plan view of FIG. 7.

Referenced Cited
U.S. Patent Documents
D305319 January 2, 1990 Goettker
1254199 January 1918 Brice
2179432 November 1939 Schroeder et al.
2435024 January 1948 Wagner
2459448 January 1949 Murray
2732222 January 1956 Harrown et al.
2855222 October 1958 Bolmes et al.
3446520 May 1969 Gibson et al.
3567253 March 1971 Puydt et al.
3830580 August 1974 Slattery et al.
3888517 June 1975 Ray
4239252 December 16, 1980 Huetsch et al.
4416467 November 22, 1983 Bradley
Foreign Patent Documents
0618135 April 1961 CAX
Other references
  • J. C. Whitney & Co. Catalog, No. 473D Parts & Accessories, p. 26 Trailer Coupler (A).
Patent History
Patent number: D320777
Type: Grant
Filed: Sep 22, 1989
Date of Patent: Oct 15, 1991
Assignee: Unique Functional Products (San Marcos, CA)
Inventor: Bernhardt P. Goettker (Escondido, CA)
Primary Examiner: James M. Gandy
Assistant Examiner: Melody Brown
Attorney: Duane C. Bowen
Application Number: 7/411,000
Classifications
Current U.S. Class: Draw Element, E.g., Trailer Hitch (D12/162)