1908736

Information

• Patent Grant
• 1908736

• References
• Source

• Patent Number

  1,908,736

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1933
  91 years ago

• CPC

  • H01K1/22 - Lamp stems

• US Classifications

  • 065 - Glass manufacturing
  • 313 - Electric lamp and discharge devices