1874742

Information

• Patent Grant
• 1874742

• References
• Source

• Patent Number

  1,874,742

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1932
  92 years ago

• CPC

  • F16K17/192 - with closure member in the form of a movable liquid column

• US Classifications

  • 220 - Receptacles