3731366

Information

• Patent Grant
• 3731366

• References
• Source

• Patent Number

  3,731,366

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1973
  51 years ago

• CPC

  • B43K1/02 - Split nibs
  • B21D53/76 - writing or drawing instruments
  • Y10T29/4981 - Utilizing transitory attached element or associated separate material

• US Classifications

  • 029 - Metal working