3660957

Information

• Patent Grant
• 3660957

• References
• Source

• Patent Number

  3,660,957

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1972
  52 years ago

• CPC

  • E04H4/1209 - Treatment of water for swimming pools
  • E04H4/0012 - Floating swimming pools

• US Classifications

  • 052 - Static structures
  • 004 - Baths, closets, sinks, and spittoons
  • D25 - Building units and construction elements