1510540

Information

• Patent Grant
• 1510540

• References
• Source

• Patent Number

  1,510,540

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1924
  100 years ago

• CPC

  • H01K1/22 - Lamp stems
  • Y10T403/217 - Members having different coefficients of expansion

• US Classifications

  • 403 - Joints and connections
  • 065 - Glass manufacturing