3277497

Information

• Patent Grant
• 3277497

• References
• Source

• Patent Number

  3,277,497

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1966
  57 years ago

• CPC

  • E03D1/304 - with valves with own buoyancy

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons
  • D23 - Environmental heating and cooling