2242388

Information

• Patent Grant
• 2242388

• References
• Source

• Patent Number

  2,242,388

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1941
  83 years ago

• CPC

  • H05B31/0072 - Reflectors for arc lamps

• US Classifications

  • 362 - Illumination
  • 353 - Optics: image projectors