2237205

Information

• Patent Grant
• 2237205

• References
• Source

• Patent Number

  2,237,205

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1941
  83 years ago

• CPC

  • B42D5/001 - perforated or punched sheets
  • B42D5/021 - Cheque-books
  • B42D15/08 - Letter-cards or letter-sheets

• US Classifications

  • 281 - Books, strips, and leaves
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 283 - Printed matter