1967770

Information

• Patent Grant
• 1967770

• References
• Source

• Patent Number

  1,967,770

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1934
  90 years ago

• CPC

  • F25B31/023 - with compressor of reciprocating-piston type
  • Y10T29/46 - Burning in, wearing in, or oil burnishing
  • Y10T29/49359 - Cooling apparatus making, e.g., air conditioner, refrigerator
  • Y10T29/49812 - Temporary protective coating, impregnation, or cast layer

• US Classifications

  • 029 - Metal working
  • 034 - Drying and gas or vapor contact with solids
  • 062 - Refrigeration
  • 417 - Pumps