1753222

Information

• Patent Grant
• 1753222

• References
• Source

• Patent Number

  1,753,222

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1930
  94 years ago

• CPC

  • G02B13/08 - Anamorphotic objectives
  • G03B41/04 - with optical compensator

• US Classifications

  • 352 - Optics: motion pictures
  • 353 - Optics: image projectors
  • 359 - Optical: systems and elements