2257577

Information

• Patent Grant
• 2257577

• References
• Source

• Patent Number

  2,257,577

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1941
  83 years ago

• CPC

  • G01F1/50 - Correcting or compensating means
  • Y10S177/07 - Pneumatic controls
  • Y10T137/7788 - Pressures across fixed choke

• US Classifications

  • 073 - Measuring and testing
  • 137 - Fluid handling
  • 177 - Weighing scales
  • 236 - Automatic temperature and humidity regulation