1389474

Information

• Patent Grant
• 1389474

• References
• Source

• Patent Number

  1,389,474

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1921
  103 years ago

• CPC

  • F16K5/167 - Means pressing radially

• US Classifications

  • 251 - Valves and valve actuation