1781378

Information

• Patent Grant
• 1781378

• References
• Source

• Patent Number

  1,781,378

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1930
  95 years ago

• CPC

  • B29C43/46 - Rollers
  • B29C43/52 - Heating or cooling
  • D06N7/0028 - characterised by colour effects
  • F28F5/02 - Rotary drums or rollers
  • B29C33/04 - using liquids, gas or steam
  • Y10S165/159 - with particular flow path or defined fluid chamber

• US Classifications

  • 165 - Heat exchange
  • 492 - Roll or roller