Impact softening unit for attachment to the draw bar of a travel trailer
Description
FIG. 1 is a front elevational view of an impact softening unit for attachment to the draw bar of a travel trailer showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a cross-sectional view taken along line 3--3 of FIG. 5;
FIG. 4 is a right side elevational view thereof; the left side being a mirror image of that shown;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
D223341 | April 1972 | Houger |
3348861 | October 1967 | Curtis et al. |
3458068 | July 1969 | Scott |
3612506 | October 1971 | Malherbe |
3661359 | May 1972 | Walker |
3709522 | January 1973 | Olson |
3779579 | December 1973 | Ostwald |
3869149 | March 1975 | Dixon |
3889981 | June 1975 | Westford |
4779889 | October 25, 1988 | Morrison |
Patent History
Patent number: D313956
Type: Grant
Filed: Nov 3, 1988
Date of Patent: Jan 22, 1991
Inventors: Donald R. Hoyt (Pflugerville, TX), J. W. Hoyt (Pflugerville, TX)
Primary Examiner: James M. Gandy
Attorney: Jerry T. Kearns
Application Number: 7/266,143
Type: Grant
Filed: Nov 3, 1988
Date of Patent: Jan 22, 1991
Inventors: Donald R. Hoyt (Pflugerville, TX), J. W. Hoyt (Pflugerville, TX)
Primary Examiner: James M. Gandy
Attorney: Jerry T. Kearns
Application Number: 7/266,143
Classifications
Current U.S. Class:
Element Or Attachment (13) (D12/106)