637121

Information

• Patent Grant
• 637121

• References
• Source

• Patent Number

  637,121

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1899
  125 years ago

• CPC

  • B24B21/00 - Machines or devices using grinding or polishing belts Accessories therefor
  • Y10S29/063 - Fluid conveyor or applicator
  • Y10S29/098 - Rotating, reciprocating or oscillating cleaner

• US Classifications

  • 451 - Abrading
  • 029 - Metal working