3020578

Information

• Patent Grant
• 3020578

• References
• Source

• Patent Number

  3,020,578

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  62 years ago

• CPC

  • B43K25/024 - detachably secured to the writing tool
  • B43K11/005 - for refilling capillary reservoirs
  • B43L25/008 - with wick feed
  • Y10T24/1332 - Combined and convertible pencil holder

• US Classifications

  • 401 - Coating implements with material supply
  • 015 - Brushing, scrubbing, and general cleaning
  • 024 - Buckles, buttons, clasps, etc.
  • 211 - Supports: racks