1547393

Information

• Patent Grant
• 1547393

• References
• Source

• Patent Number

  1,547,393

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1925
  99 years ago

• CPC

  • H01K1/22 - Lamp stems

• US Classifications

  • 065 - Glass manufacturing
  • 269 - Work holders