1993478

Information

• Patent Grant
• 1993478

• References
• Source

• Patent Number

  1,993,478

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1935
  90 years ago

• CPC

  • F01B25/00 - Regulating, controlling, or safety means
  • F01B2250/007 - Condensing devices for steam engines

• US Classifications

  • 165 - Heat exchange
  • 062 - Refrigeration
  • 417 - Pumps