1660649

Information

• Patent Grant
• 1660649

• References
• Source

• Patent Number

  1,660,649

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1928
  97 years ago

• CPC

  • H01J5/30 - using packing-material
  • H01J2893/0046 - Lamp base with closure
  • Y10T403/217 - Members having different coefficients of expansion
  • Y10T403/477 - Fusion bond, e.g., weld, etc.

• US Classifications

  • 403 - Joints and connections
  • 174 - Electricity: conductors and insulators