Combination swimming pool cover and floor
United States Patent 2970320
US Patent References:
/1060106.html
- - 1060106

Convertirle swimming pool and skating rimk
- - 1918437

Skating rink
- - 2010831

Swimming pool
- - 2803835


Inventors:
Karp, Murry P.
Publication Date:
02/07/1961
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Assignee:
LIFEGUARD SWIM POOL CORP
Primary Class:
4/495
Other Classes:
62/235, 4/501
International Classes:
E04H4/06; E04H4/00
Foreign References:
FR817778A