1449857

Information

• Patent Grant
• 1449857

• References
• Source

• Patent Number

  1,449,857

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1923
  101 years ago

• CPC

  • B65G53/4658 - the element having passages simultaneously connectable to both inlet and outlet ports
  • B65G53/4691 - of air-lock type

• US Classifications

  • 096 - Gas separation: apparatus
  • 055 - Gas separation