3548436

Information

• Patent Grant
• 3548436

• References
• Source

• Patent Number

  3,548,436

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 years ago

• CPC

  • B43L19/0037 - Eraser cleaners

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning