3388455

Information

• Patent Grant
• 3388455

• References
• Source

• Patent Number

  3,388,455

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1968
  56 years ago

• CPC

  • B23P11/02 - by first expanding and then shrinking or vice versa
  • B21D53/76 - writing or drawing instruments
  • B43K1/10 - Wire nibs
  • Y10T29/49945 - by driven force fit

• US Classifications

  • 029 - Metal working
  • 346 - Recorders
  • 401 - Coating implements with material supply