2729921

Information

• Patent Grant
• 2729921

• References
• Source

• Patent Number

  2,729,921

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1956
  69 years ago

• CPC

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

• US Classifications

  • 451 - Abrading