2987887

Information

• Patent Grant
• 2987887

• References
• Source

• Patent Number

  2,987,887

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1961
  63 years ago

• CPC

  • F16D33/10 - consisting of controllable supply and discharge openings

• US Classifications

  • 060 - Power plants
  • 236 - Automatic temperature and humidity regulation