2557661

Information

• Patent Grant
• 2557661

• References
• Source

• Patent Number

  2,557,661

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1951
  73 years ago

• CPC

  • G05D23/2754 - using bimetallic element
  • Y10T74/2133 - Pawls and ratchets
  • Y10T74/2136 - Pivoted pawls
  • Y10T74/2138 - Flexible single tooth

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 074 - Machine element or mechanism