3180970

Information

• Patent Grant
• 3180970

• References
• Source

• Patent Number

  3,180,970

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1965
  59 years ago

• CPC

  • E01B11/50 - Joints made by electric welding
  • B23K9/038 - using moulding means
  • B23K2201/26 - Railway or like rails

• US Classifications

  • 219 - Electric heating
  • 238 - Railways: surface track