2141686

Information

• Patent Grant
• 2141686

• References
• Source

• Patent Number

  2,141,686

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1938
  85 years ago

• CPC

  • C13B25/001 - with heating tubes or plates

• US Classifications

  • 159 - Concentrating evaporators
  • 200 - Electricity: circuit makers and breakers