1437748

Information

• Patent Grant
• 1437748

• References
• Source

• Patent Number

  1,437,748

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1922
  102 years ago

• CPC

  • A61J19/06 - Combustible sputum cups

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes