2212999

Information

• Patent Grant
• 2212999

• References
• Source

• Patent Number

  2,212,999

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1940
  84 years ago

• CPC

  • B24B3/607 - of files
  • B24B3/60 - of tools not covered by the preceding subgroups

• US Classifications

  • 451 - Abrading
  • 076 - Metal tools and implements, making
  • 125 - Stone working