Title:
Swimming pool cleaning apparatus
United States Patent 2919027


Inventors:
Blumenfeld, Charles M.
Application Number:
US72791258A
Publication Date:
12/29/1959
Filing Date:
04/11/1958
Assignee:
Blumenfeld, Charles M.
Primary Class:
Other Classes:
15/1.7, 134/111, 134/167R, 210/167.16, 210/242.1, 210/525
International Classes:
E04H4/16
View Patent Images:
US Patent References:
RE14234N/A
2758967N/A1956-08-14
2667270Apparatus for filtering and agitating plating solutions1954-01-26
2647639Apparatus for cleaning tanks and the like1953-08-04
2330164Subaqueous chemical apparatus1943-09-21
1908179Mining machine1933-05-09
1244178N/A1917-10-23
0494728N/A1893-04-04
0396112N/A1889-01-15
Foreign References:
GB187904834A