2140841

Information

• Patent Grant
• 2140841

• References
• Source

• Patent Number

  2,140,841

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1938
  86 years ago

• CPC

  • C12L11/00 - Cellar tools

• US Classifications

  • 432 - Heating
  • 034 - Drying and gas or vapor contact with solids