2500612

Information

• Patent Grant
• 2500612

• References
• Source

• Patent Number

  2,500,612

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1950
  74 years ago

• CPC

  • B42D15/0033 - Owner certificates, insurance policies, guarantees
  • A61B5/1172 - using fingerprinting
  • B42D25/29 - Securities Bank notes

• US Classifications

  • 118 - Coating apparatus
  • 283 - Printed matter