1439744

Information

• Patent Grant
• 1439744

• References
• Source

• Patent Number

  1,439,744

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1922
  101 years ago

• CPC

  • F16K5/165 - Means pressing on the small diameter

• US Classifications

  • 251 - Valves and valve actuation