3812545

Information

• Patent Grant
• 3812545

• References
• Source

• Patent Number

  3,812,545

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • E03D1/302 - with valves kept in open position by means of air or water pressure or by vacuum
  • Y10S251/903 - Needle valves

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons
  • 251 - Valves and valve actuation