2248162

Information

• Patent Grant
• 2248162

• References
• Source

• Patent Number

  2,248,162

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1941
  83 years ago

• CPC

  • B42F17/30 - modified for particular uses
  • B42F19/00 - File cards

• US Classifications

  • 434 - Education and demonstration
  • 127 - Sugar, starch, and carbohydrates
  • 283 - Printed matter
  • 600 - Surgery