1463132

Information

• Patent Grant
• 1463132

• References
• Source

• Patent Number

  1,463,132

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1923
  101 years ago

• CPC

  • G02B13/20 - Soft-focus objectives
  • G02B9/56 - all components being simple lenses

• US Classifications

  • 359 - Optical: systems and elements
  • 396 - Photography