2821813

Information

• Patent Grant
• 2821813

• References
• Source

• Patent Number

  2,821,813

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1958
  66 years ago

• CPC

  • B24B13/015 - of television picture tube viewing panels, headlight reflectors or the like
  • Y10T29/44 - Filing
  • Y10T82/14 - Axial pattern
  • Y10T82/149 - Profiled cutter
  • Y10T82/2511 - Vertical
  • Y10T409/305768 - with linear movement of work

• US Classifications

  • 451 - Abrading
  • 029 - Metal working
  • 033 - Geometrical instruments
  • 082 - Turning
  • 409 - Gear cutting, milling, or planing