1776032

Information

• Patent Grant
• 1776032

• References
• Source

• Patent Number

  1,776,032

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1930
  94 years ago

• CPC

  • B01F3/04262 - consisting of rigid porous or perforated material
  • B01D3/205 - Bubble caps
  • B01F2003/04304 - having dome-, cap-, inversed cone-shape
  • B01F2003/04361 - Perforations

• US Classifications

  • 261 - Gas and liquid contact apparatus