822520

Information

• Patent Grant
• 822520

• References
• Source

• Patent Number

  822,520

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1906
  118 years ago

• CPC

  • B61L15/0027 - Radio-based
  • Y10T137/87105 - Correlated across separable flow path joint

• US Classifications

  • 246 - Railway switches and signals
  • 137 - Fluid handling
  • 285 - Pipe joints or couplings