1747683

Information

• Patent Grant
• 1747683

• References
• Source

• Patent Number

  1,747,683

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1930
  95 years ago

• CPC

  • F25D29/003 - for movable devices
  • Y10T307/461 - Selectively connected or controlled load circuits
  • Y10T307/669 - Differing capacities

• US Classifications

  • 165 - Heat exchange
  • 307 - Electrical transmission or interconnection systems