Portable filtration unit
Description
FIG. 1 is a front elevational view of a portable filtration unit showing my new design.
FIG. 2 is a side elevational view of the right side thereof as viewed in FIG. 1.
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a left side elevational view thereof as viewed in FIG. 1.
FIG. 5 is a bottom plan view thereof.
FIG. 6 is a top plan view thereof.
The showing of the tubular elements broken away is to indicate indeterminate length.
Referenced Cited
U.S. Patent Documents
D194861 | March 1963 | Hoffinger |
3012676 | December 1961 | Engelsberg |
3616609 | November 1971 | Soares de Melo |
3920552 | November 1975 | Elkern |
4144167 | March 13, 1979 | Burkett et al. |
Patent History
Patent number: D289429
Type: Grant
Filed: Jun 15, 1984
Date of Patent: Apr 21, 1987
Inventor: Harold C. Thumberger (Hamilton, OH)
Primary Examiner: B. J. Bullock
Assistant Examiner: Brian N. Vinson
Law Firm: Wood, Herron & Evans
Application Number: 6/620,889
Type: Grant
Filed: Jun 15, 1984
Date of Patent: Apr 21, 1987
Inventor: Harold C. Thumberger (Hamilton, OH)
Primary Examiner: B. J. Bullock
Assistant Examiner: Brian N. Vinson
Law Firm: Wood, Herron & Evans
Application Number: 6/620,889
Classifications
Current U.S. Class:
D23/4