2421738

Information

• Patent Grant
• 2421738

• References
• Source

• Patent Number

  2,421,738

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1947
  77 years ago

• CPC

  • D04B35/28 - Devices for lubricating machine parts
  • F16N7/16 - the oil being carried up by a lifting device

• US Classifications

  • 184 - Lubrication
  • 066 - Textiles: knitting