1830065

Information

• Patent Grant
• 1830065

• References
• Source

• Patent Number

  1,830,065

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1931
  94 years ago

• CPC

  • E04D13/0409 - Drainage outlets
  • E04D2013/044 - on multiple levels

• US Classifications

  • 210 - Liquid purification or separation
  • 285 - Pipe joints or couplings