3256823

Information

• Patent Grant
• 3256823

• References
• Source

• Patent Number

  3,256,823

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1966
  58 years ago

• CPC

  • F04B49/20 - by changing the driving speed
  • E03B5/02 - arranged in buildings
  • F25B49/025 - Motor control arrangements

• US Classifications

  • 417 - Pumps
  • 310 - Electrical generator or motor structure