1854507

Information

• Patent Grant
• 1854507

• References
• Source

• Patent Number

  1,854,507

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1932
  92 years ago

• CPC

  • B24B41/053 - for grinding or polishing glass

• US Classifications

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