1980540

Information

• Patent Grant
• 1980540

• References
• Source

• Patent Number

  1,980,540

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1934
  90 years ago

• CPC

  • B60L5/08 - Structure of the sliding shoes or their carrying means
  • Y10S292/58 - Lubrication
  • Y10T29/49206 - by powder metallurgy
  • Y10T70/8919 - Antifriction provisions

• US Classifications

  • 029 - Metal working
  • 070 - Locks
  • 191 - Electricity: transmission to vehicles
  • 292 - Closure fasteners
  • 419 - Powder metallurgy processes