2258903

Information

• Patent Grant
• 2258903

• References
• Source

• Patent Number

  2,258,903

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1941
  83 years ago

• CPC

  • G03B41/12 - with oscillating transmitting member
  • G02B15/02 - by changing, adding, or subtracting a part of the objective
  • G02B27/40 - Optical focusing aids

• US Classifications

  • 359 - Optical: systems and elements
  • 352 - Optics: motion pictures
  • 396 - Photography