2413349

Information

• Patent Grant
• 2413349

• References
• Source

• Patent Number

  2,413,349

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1946
  78 years ago

• CPC

  • G03B41/026 - combined with slit
  • G01P3/36 - Devices characterised by the use of optical means

• US Classifications

  • 396 - Photography
  • 250 - Radiant energy
  • 318 - Electricity: motive power systems
  • 324 - Electricity: measuring and testing
  • 361 - Electricity: electrical systems and devices