3330987

Information

• Patent Grant
• 3330987

• References
• Source

• Patent Number

  3,330,987

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1967
  57 years ago

• CPC

  • H05B31/0036 - for projection, copying or stage lighting

• US Classifications

  • 314 - Electric lamp and discharge devices: consumable electrodes
  • 353 - Optics: image projectors