2021511

Information

• Patent Grant
• 2021511

• References
• Source

• Patent Number

  2,021,511

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1935
  89 years ago

• CPC

  • D03C17/00 - Card-punching apparatus
  • Y10T83/8762 - Hand actuated connecting means

• US Classifications

  • 083 - Cutting