3924653

Information

• Patent Grant
• 3924653

• References
• Source

• Patent Number

  3,924,653

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1975
  50 years ago

• CPC

  • E03F5/102 - using already existing parts of the sewer system for runoff-regulation
  • E03B3/02 - from rain-water
  • E03F5/106 - Passive flow control devices
  • Y10T137/402 - Distribution systems involving geographic features

• US Classifications

  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits