1537954

Information

• Patent Grant
• 1537954

• References
• Source

• Patent Number

  1,537,954

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1925
  99 years ago

• CPC

  • E03C1/294 - with provisions against loss of water lock
  • Y10T137/4591 - Enlarged upflow leg

• US Classifications

  • 137 - Fluid handling