517780

Information

• Patent Grant
• 517780

• References
• Source

• Patent Number

  517,780

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1894
  130 years ago

• CPC

  • A62C35/605 - operating and sounding alarm automatically
  • Y10T137/6973 - Outside access to portions of the system

• US Classifications

  • 169 - Fire extinguishers
  • 137 - Fluid handling
  • 239 - Fluid sprinkling, spraying, and diffusing