2040720

Information

• Patent Grant
• 2040720

• References
• Source

• Patent Number

  2,040,720

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1936
  88 years ago

• CPC

  • B24B19/006 - for grinding hollow glassware, bottles

• US Classifications

  • 451 - Abrading
  • 015 - Brushing, scrubbing, and general cleaning
  • 292 - Closure fasteners