2117384

Information

• Patent Grant
• 2117384

• References
• Source

• Patent Number

  2,117,384

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1938
  86 years ago

• CPC

  • G02C3/00 - Special supporting arrangements for lens assemblies or monocles
  • G02C3/04 - Arrangements for supporting by hand
  • G02C5/006 - Collapsible frames
  • G02C5/08 - foldable
  • G02C5/128 - Pince-nez

• US Classifications

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