1127977

Information

• Patent Grant
• 1127977

• References
• Source

• Patent Number

  1,127,977

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1915
  110 years ago

• CPC

  • B24B55/00 - Safety devices for grinding or polishing machines Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
  • F02D9/00 - Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
  • Y10T137/1026 - Speed change and excess speed valve control
  • Y10T137/1062 - Governor drive failure responsive

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 290 - Prime-mover dynamo plants