15278

Information

• Patent Grant
• 15278

• References
• Source

• Patent Number

  15,278

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1856
  168 years ago

• CPC

  • H01K1/38 - Seals for leading-in conductors
  • H01J5/38 - Pinched-stem or analogous seals

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 072 - Metal deforming