Title:
SWIMMING POOL CLEANING SYSTEM
United States Patent 3521304
Inventors:
Ghiz, George J.
Publication Date:
07/21/1970
Assignee:
George, Ghiz J.
Other Classes:
134/167R, 134/111, 15/1.700
International Classes:
E04H4/16; E04H4/00; E04H3/18
US Patent References:
| 3101730 | Rotating fluid spray apparatus for washing paper machine head boxes | | | |
| 3247968 | Swimming pool water delivering and withdrawal system | | | |
| 3278949 | Swimming pool cleaning apparatus | | | |
| 3289216 | Retractable swimming pool cleaner | | | |
| 3408006 | Liquid jet producing device | | | |
| 3411163 | Swimming pool heater | | | |