Teat dilator
FIG. 1 is a perspective view of the teat dilator showing my new design;
FIG. 2 is a rear elevational view of FIG. 1;
FIG. 3 is a side elevational view of the right side of FIG. 2, the left side being identical;
FIG. 4 is a top plan view of FIG. 2;
FIG. 5 is a bottom plan view of FIG. 2;
FIG. 6 is an enlarged sectional view taken along the line 6--6 of FIG. 2;
FIG. 7 is a perspective view of a first modification of the teat dilator showing my new design;
FIG. 8 is a rear elevational view of FIG. 7;
FIG. 9 is a side elevational view of the right side of FIG. 8, the left side being identical;
FIG. 10 is a top plan view of FIG. 8;
FIG. 11 is a bottom plan view of FIG. 8;
FIG. 12 is an enlarged sectional view taken along the line 12--12 of FIG. 8;
FIG. 13 is a perspective view of a second modification of the teat dilator showing my new design;
FIG. 14 is a rear elevational view of FIG. 13;
FIG. 15 is a side elevational view of the left side of FIG. 14, the right side being identical;
FIG. 16 is a front elevational view of FIG. 13;
FIG. 17 is a top plan view of FIG. 15;
FIG. 18 is a bottom plan view of FIG. 15; and
FIG. 19 is an enlarged sectional view taken along the line 19--19 of FIG. 15.
111932 | February 1871 | Hewitt |
D222383 | October 1971 | Noorlander |
D232780 | September 1974 | Zackheim |
D262654 | January 12, 1982 | Anderson |
274447 | March 1883 | Kennish |
1045326 | November 1912 | Ruflin |
1242314 | October 1917 | Bean |
1688795 | October 1928 | Aas |
1995051 | March 1935 | Benson |
2687731 | August 1954 | Iarussi et al. |
2704076 | March 1955 | Larson |
3030960 | April 1962 | Turner et al. |
3071139 | January 1963 | Nicholson |
3703898 | November 1972 | Zackheim |
3821956 | July 1974 | Gordhammer |
3825157 | July 1974 | Herzig |
3881448 | May 1975 | Hallstrom |
4281658 | August 4, 1981 | Child |
Type: Grant
Filed: Nov 6, 1980
Date of Patent: Nov 9, 1982
Inventor: Francis W. Child (Cody, WY)
Primary Examiner: Bernard Ansher
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 6/184,731
International Classification: D2402;