2807451

Information

• Patent Grant
• 2807451

• References
• Source

• Patent Number

  2,807,451

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1957
  67 years ago

• CPC

  • B01D3/328 - Sealing between the column and the trays
  • B01D3/22 - with horizontal sieve plates or grids Construction of sieve plates or grids

• US Classifications

  • 261 - Gas and liquid contact apparatus
  • 285 - Pipe joints or couplings