1506862

Information

• Patent Grant
• 1506862

• References
• Source

• Patent Number

  1,506,862

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1924
  100 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
  • B23B45/04 - driven by fluid-pressure or pneumatic power
  • F01B25/14 - peculiar to particular kinds of machines or engines
  • Y10T137/108 - Centrifugal mass type [exclusive of liquid]

• US Classifications

  • 418 - Rotary expansible chamber devices
  • 073 - Measuring and testing
  • 137 - Fluid handling