1740247

Information

• Patent Grant
• 1740247

• References
• Source

• Patent Number

  1,740,247

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1929
  95 years ago

• CPC

  • B24B19/006 - for grinding hollow glassware, bottles

• US Classifications

  • 451 - Abrading