Plaque It!
Sponsored by: Flash of Genius |
| D166284 | March, 1952 | Weilburg | D30/12 | |
| D198200 | May, 1964 | Willinger | D30/12 | |
| D214918 | August, 1969 | Willinger | D30/12 | |
| 2828019 | Aquarium cleaning device | March, 1958 | Lambertson | 210/169 |
| 2899063 | August, 1959 | Ellis | 15/17 | |
| 2956507 | Aquarium cleaning device | October, 1960 | Hutchinson | 210/169 |
| 3158104 | Aquarium cleaning device | November, 1964 | Hutchinson | 210/416.2 |
| 3225930 | Aquarium cleaning device | December, 1965 | Willinger | 210/169 |
| 3302789 | Means and method of maintaining a fish environment | February, 1967 | Holt | 15/17 |
| 3360129 | Gravel cleaner for aquariums | December, 1967 | Powers | 210/169 |
| 3630364 | HAND-MANIPULATED, PARTICLE-REMOVING DEVICE FOR AQUARIUMS | December, 1971 | Johnson | 210/169 |
| 3734853 | SUCTION CLEANER FOR AQUARIUMS | May, 1973 | Horvath | 210/169 |
| 3826371 | AQUARIUM CLEANING DEVICE | July, 1974 | Adamson | 15/17 |
| 4233702 | Fish tank rock cleaner | November, 1980 | Zweifel | 210/169 |
FIG. 1 is a perspective view of an aquarium gravel cleaner showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a right side elevational view thereof, the left side being a mirror image of the right side shown; and
FIG. 6 is a rear elevational view thereof.
The broken line representation of an aquarium and a hose in FIG. 1 is for purposes of illustration only.