1252170

Information

• Patent Grant
• 1252170

• References
• Source

• Patent Number

  1,252,170

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1918
  107 years ago

• CPC

  • G04B21/08 - Sounding bodies Whistles Musical apparatus
  • F01P3/2207 - characterised by the coolant reaching temperatures higher than the normal atmospheric boiling point
  • F01P7/165 - characterised by systems with two or more loops
  • F01P2003/003 - having boiling-point higher than 100°C
  • F01P2005/105 - Using two or more pumps
  • F01P2060/02 - Intercooler
  • F01P2060/04 - Lubricant cooler
  • F01P2060/045 - for transmissions

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology
  • D10 - Measuring, testing, or signalling instruments