2169526

Information

• Patent Grant
• 2169526

• References
• Source

• Patent Number

  2,169,526

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1939
  85 years ago

• CPC

  • F16K5/0257 - Packings

• US Classifications

  • 251 - Valves and valve actuation