2154681

Information

• Patent Grant
• 2154681

• References
• Source

• Patent Number

  2,154,681

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1939
  85 years ago

• CPC

  • B24B19/006 - for grinding hollow glassware, bottles
  • Y10T279/247 - to grip tool or workpiece

• US Classifications

  • 451 - Abrading
  • 279 - Chucks or sockets