2457333

Information

• Patent Grant
• 2457333

• References
• Source

• Patent Number

  2,457,333

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1948
  76 years ago

• CPC

  • B66B1/08 - with devices

• US Classifications

  • 388 - Electricity: motor control systems
  • 318 - Electricity: motive power systems