3509591

Information

• Patent Grant
• 3509591

• References
• Source

• Patent Number

  3,509,591

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1970
  55 years ago

• CPC

  • B43K13/00 - Devices for removing nibs Devices for cleaning nibs

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning