2069347

Information

• Patent Grant
• 2069347

• References
• Source

• Patent Number

  2,069,347

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1937
  88 years ago

• CPC

  • G02C1/026 - with auxiliary bars
  • G02C1/02 - Bridge or browbar secured to lenses without the use of rims

• US Classifications

  • 351 - Optics: eye examining, vision testing and correcting
  • D16 - Photography and optical equipment