3040428

Information

• Patent Grant
• 3040428

• References
• Source

• Patent Number

  3,040,428

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1962
  62 years ago

• CPC

  • B21D53/38 - locksmith's goods
  • Y10T29/49599 - Knob or knob shank making
  • Y10T74/20732 - Handles
  • Y10T403/4694 - Rod received in recessed side, e.g., socket or tapered opening, etc.

• US Classifications

  • 228 - Metal fusion bonding
  • 029 - Metal working
  • 072 - Metal deforming
  • 074 - Machine element or mechanism
  • 403 - Joints and connections