2834249

Information

• Patent Grant
• 2834249

• References
• Source

• Patent Number

  2,834,249

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1958
  66 years ago

• CPC

  • G03B1/50 - adjustable or interchangeable
  • Y10T74/1519 - Adjustable throw

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 074 - Machine element or mechanism
  • 352 - Optics: motion pictures