3878762

Information

• Patent Grant
• 3878762

• References
• Source

• Patent Number

  3,878,762

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  49 years ago

• CPC

  • B44B3/04 - wherein non-plane surfaces are worked
  • A63B45/02 - Marking of balls
  • B24B3/04 - of plain milling cutters
  • B44B3/065 - Work holders
  • Y10S408/01 - Bowling ball drill
  • Y10T409/301624 - Duplicating means
  • Y10T409/302576 - with means to support templet above or under work
  • Y10T409/302632 - with provision for circumferential relative movement of cutter and work

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 033 - Geometrical instruments
  • 144 - Woodworking
  • 408 - Cutting by use of rotating axially moving tool