2877697

Information

• Patent Grant
• 2877697

• References
• Source

• Patent Number

  2,877,697

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1959
  65 years ago

• CPC

  • G03B9/10 - Blade or disc rotating or pivoting about axis normal to its plane
  • G03B9/26 - incorporating cover blade or blades

• US Classifications

  • 396 - Photography