1836542

Information

• Patent Grant
• 1836542

• References
• Source

• Patent Number

  1,836,542

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1931
  93 years ago

• CPC

  • B24B41/053 - for grinding or polishing glass

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 451 - Abrading