27301

Information

• Patent Grant
• 27301

• References
• Source

• Patent Number

  27,301

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1860
  165 years ago

• CPC

  • B24D3/24 - for close-grained structure

• US Classifications

  • 051 - Abrasive tool making process, material, or composition
  • 451 - Abrading
  • D08 - Tools and hardware