3662940

Information

• Patent Grant
• 3662940

• References
• Source

• Patent Number

  3,662,940

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • B21D53/30 - wheel rims
  • B21D5/143 - making use of a mandrel
  • B21D51/00 - Making hollow objects

• US Classifications

  • 228 - Metal fusion bonding
  • 072 - Metal deforming