2297976

Information

• Patent Grant
• 2297976

• References
• Source

• Patent Number

  2,297,976

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1942
  82 years ago

• CPC

  • C25D5/52 - by brightening or burnishing

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 029 - Metal working
  • 451 - Abrading