2899584

Information

• Patent Grant
• 2899584

• References
• Source

• Patent Number

  2,899,584

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1959
  65 years ago

• CPC

  • B41F3/30 - for lithography
  • E04G7/26 - for use with specially-shaped scaffold members
  • H01J61/22 - vapour of an alkali metal
  • H01J61/302 - characterised by the material of the vessel

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 501 - Compositions: ceramic