1911456

Information

• Patent Grant
• 1911456

• References
• Source

• Patent Number

  1,911,456

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1933
  91 years ago

• CPC

  • G01J1/56 - using radiation pressure or radiometer effect
  • F03G7/04 - using pressure differences or thermal differences occurring in nature

• US Classifications

  • 356 - Optics: measuring and testing
  • 060 - Power plants
  • 073 - Measuring and testing