3316631

Information

• Patent Grant
• 3316631

• References
• Source

• Patent Number

  3,316,631

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1967
  57 years ago

• CPC

  • B24B19/00 - Single-purpose machines or devices for particular grinding operations not covered by any other main group
  • B43K8/14 - with coreless tubular writing-points
  • Y10T29/49996 - Successive distinct removal operations

• US Classifications

  • 029 - Metal working
  • 451 - Abrading