2021694

Information

• Patent Grant
• 2021694

• References
• Source

• Patent Number

  2,021,694

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1935
  89 years ago

• CPC

  • F02M7/093 - changing output according to intake vacuum

• US Classifications

  • 261 - Gas and liquid contact apparatus