1842377

Information

• Patent Grant
• 1842377

• References
• Source

• Patent Number

  1,842,377

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1932
  93 years ago

• CPC

  • G02C5/229 - Oblique hinge axis
  • G02C5/22 - Hinges

• US Classifications

  • 351 - Optics: eye examining, vision testing and correcting