2990729

Information

• Patent Grant
• 2990729

• References
• Source

• Patent Number

  2,990,729

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1961
  63 years ago

• CPC

  • B41F9/1054 - Sharpening, honing devices
  • B24B3/38 - for planing wood

• US Classifications

  • 076 - Metal tools and implements, making
  • 072 - Metal deforming
  • 269 - Work holders
  • 451 - Abrading