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, the opposite side being a mirror-image of that shown;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
1254199 January 1918 Brice et al.
2179432 November 1939 Schroder et al.
2435024 January 1948 Wagner
2459448 January 1949 Murray
2732222 January 1956 Harroun et al.
3153545 October 1964 Bolmes et al.
3446520 May 1969 Gibson et al.
3567253 February 1971 Puydt et al.
3830580 August 1974 Slattery et al.
3888517 June 1975 Ray
4239252 December 16, 1980 Heutsch et al.
4416467 November 22, 1983 Bradley
Foreign Patent Documents
917700 December 1972 CAX
Other references
  • J. C. Whitney & Co. catalog, No. 473J, copyright 1986, p. 26, upper rt. hand corner, Trailer Coupler C.
Patent History
Patent number: D305319
Type: Grant
Filed: Aug 6, 1987
Date of Patent: Jan 2, 1990
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: 7/82,189
Classifications
Current U.S. Class: Draw Element, E.g., Trailer Hitch (D12/162)