3421307

Information

• Patent Grant
• 3421307

• References
• Source

• Patent Number

  3,421,307

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1969
  57 years ago

• CPC

  • F16C33/06 - Sliding surface mainly made of metal
  • C23C8/18 - oxidising of ferrous surfaces
  • C23C28/321 - with at least one metal alloy layer
  • D01H7/602 - Rings

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining