3161540

Information

• Patent Grant
• 3161540

• References
• Source

• Patent Number

  3,161,540

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1964
  60 years ago

• CPC

  • H01B3/105 - Wires with oxides
  • H01J9/08 - Manufacture of heaters for indirectly-heated cathodes
  • Y10S428/925 - Relative dimension specified
  • Y10T428/12535 - with additional, spatially distinct nonmetal component
  • Y10T428/12611 - Oxide-containing component
  • Y10T428/12812 - Diverse refractory group metal-base components: alternative to or next to each other
  • Y10T428/12868 - Group IB metal-base component alternative to platinum group metal-base component [e.g., precious metal, etc.]
  • Y10T428/2949 - Glass, ceramic or metal oxide in coating

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 313 - Electric lamp and discharge devices
  • 427 - Coating processes