Irrigation water drainage unit
FIG. 1 is a top front perspective view of an irrigation water drainage unit, showing my new design;
FIG. 2 is an elevational view of one side thereof, the opposite side being a mirror image thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a top front perspective view of a second embodiment thereof;
FIG. 8 is an elevational view of one side of the embodiment of FIG. 7, the opposite side being a mirror image thereof;
FIG. 9 is a rear elevational view of the embodiment of FIG. 7;
FIG. 10 is a front elevational view of the embodiment of FIG. 7;
FIG. 11 is a top plan view of the embodiment of FIG. 7; and
FIG. 12 is a bottom plan view of the embodiment of FIG. 7.
D259950 | July 21, 1981 | Henry |
2257626 | September 1941 | Thomson |
2582515 | January 1952 | Warp |
2928251 | March 1960 | Waring |
3701260 | October 1972 | Soileau |
- Noland Co. Plumbing & Heating Supplies "Catalogue E", p. E86, Hotstream Automatic Draft Regulator (1943).
Type: Grant
Filed: Mar 21, 1985
Date of Patent: Nov 24, 1987
Inventor: Daryl D. Alberico (Willows, CA)
Primary Examiner: B. J. Bullock
Assistant Examiner: Brian N. Vinson
Law Firm: Lothrop & West
Application Number: 6/714,409