494474

Information

• Patent Grant
• 494474

• References
• Source

• Patent Number

  494,474

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1893
  132 years ago

• CPC

  • F28F13/12 - by creating turbulence
  • Y10S165/319 - Linearly moving agitator

• US Classifications

  • 165 - Heat exchange
  • 366 - Agitating
  • 425 - Plastic article or earthenware shaping or treating: apparatus