2774428

Information

• Patent Grant
• 2774428

• References
• Source

• Patent Number

  2,774,428

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1956
  68 years ago

• CPC

  • D03C17/00 - Card-punching apparatus

• US Classifications

  • 234 - Selective cutting
  • 040 - Card, picture, or sign exhibiting
  • 139 - Textiles: weaving