204135

Information

• Patent Grant
• 204135

• References
• Source

• Patent Number

  204,135

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1878
  146 years ago

• CPC

  • E03C1/295 - using air-supply valves
  • Y10T137/3258 - Automatic valve in vent line
  • Y10T137/7897 - Vacuum relief type

• US Classifications

  • 137 - Fluid handling