2171748

Information

• Patent Grant
• 2171748

• References
• Source

• Patent Number

  2,171,748

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1939
  85 years ago

• CPC

  • A61J19/06 - Combustible sputum cups

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons