2420663

Information

• Patent Grant
• 2420663

• References
• Source

• Patent Number

  2,420,663

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1947
  77 years ago

• CPC

  • F42B39/16 - Fire-extinguishing

• US Classifications

  • 220 - Receptacles
  • 206 - Special receptacle or package