Hydroscope
Description
FIG. 1 is a perspective view of a hydroscope, showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a side elevational view thereof, opposite that shown in FIG. 3;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left end elevational view thereof, as seen from FIG. 3; and
FIG. 7 is a right side elevational view thereof, as seen from FIG. 3.
Referenced Cited
U.S. Patent Documents
397060 | January 1889 | Knapp |
3459175 | August 1969 | Miller |
3889676 | June 1975 | Greene |
4019515 | April 26, 1977 | Kornblum et al. |
Patent History
Patent number: D306484
Type: Grant
Filed: Jun 17, 1987
Date of Patent: Mar 6, 1990
Inventor: Elmer G. Olson (Ontario)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Stella M. Reid
Law Firm: Bauer & Schaffer
Application Number: 7/63,283
Type: Grant
Filed: Jun 17, 1987
Date of Patent: Mar 6, 1990
Inventor: Elmer G. Olson (Ontario)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Stella M. Reid
Law Firm: Bauer & Schaffer
Application Number: 7/63,283
Classifications
Current U.S. Class:
D24/60