1777949

Information

• Patent Grant
• 1777949

• References
• Source

• Patent Number

  1,777,949

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1930
  93 years ago

• CPC

  • A63B35/04 - with paddle wheels

• US Classifications

  • 165 - Heat exchange
  • 048 - Gas: heating and illuminating
  • 123 - Internal-combustion engines