2891304

Information

• Patent Grant
• 2891304

• References
• Source

• Patent Number

  2,891,304

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1959
  65 years ago

• CPC

  • H01J19/30 - characterised by the material
  • H01J2893/0019 - Chemical composition and manufacture
  • Y10T428/12264 - having outward flange, gripping means or interlocking feature
  • Y10T428/12361 - having aperture or cut
  • Y10T428/13 - Hollow or container type article [e.g., tube, vase, etc.]

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 445 - Electric lamp or space discharge component or device manufacturing