1800425

Information

• Patent Grant
• 1800425

• References
• Source

• Patent Number

  1,800,425

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1931
  93 years ago

• CPC

  • B43K1/04 - with broadened tips

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning