2378544

Information

• Patent Grant
• 2378544

• References
• Source

• Patent Number

  2,378,544

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1945
  79 years ago

• CPC

  • D04B3/00 - Hand tools or implements
  • Y10T24/4679 - having penetrating portion retractable or of changeable length

• US Classifications

  • 066 - Textiles: knitting
  • 024 - Buckles, buttons, clasps, etc.
  • 033 - Geometrical instruments
  • 250 - Radiant energy
  • D03 - Travel goods and personal belongings