1638645

Information

• Patent Grant
• 1638645

• References
• Source

• Patent Number

  1,638,645

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1927
  97 years ago

• CPC

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

• US Classifications

  • 417 - Pumps