1422980

Information

• Patent Grant
• 1422980

• References
• Source

• Patent Number

  1,422,980

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1922
  102 years ago

• CPC

  • F16K41/043 - for spindles which only rotate

• US Classifications

  • 251 - Valves and valve actuation
  • 116 - Signals and indicators
  • 277 - Seal for a joint or juncture