989481

Information

• Patent Grant
• 989481

• References
• Source

• Patent Number

  989,481

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1911
  113 years ago

• CPC

  • B43K17/02 - Nibs having more than two legs

• US Classifications

  • 033 - Geometrical instruments
  • 015 - Brushing, scrubbing, and general cleaning