1627895

Information

• Patent Grant
• 1627895

• References
• Source

• Patent Number

  1,627,895

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1927
  97 years ago

• CPC

  • B61L5/1845 - Optical systems, lenses

• US Classifications

  • 359 - Optical: systems and elements
  • 362 - Illumination