2640995

Information

• Patent Grant
• 2640995

• References
• Source

• Patent Number

  2,640,995

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1953
  71 years ago

• CPC

  • E03D1/125 - in cisterns with tube siphons

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons