1778541

Information

• Patent Grant
• 1778541

• References
• Source

• Patent Number

  1,778,541

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1930
  94 years ago

• CPC

  • B24B3/12 - of hobs
  • B24B3/022 - relief grinding of milling cutters
  • Y10T409/300112 - Process
  • Y10T409/30028 - to regulate cutting depth [e.g., relief, taper, etc.]

• US Classifications

  • 451 - Abrading
  • 125 - Stone working
  • 144 - Woodworking
  • 409 - Gear cutting, milling, or planing