3831577

Information

• Patent Grant
• 3831577

• References
• Source

• Patent Number

  3,831,577

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • B28D1/001 - Cleaning bricks
  • Y10T29/4528 - with rotary head
  • Y10T29/4561 - Scraper or scalper

• US Classifications

  • 125 - Stone working
  • 029 - Metal working