543730

Information

• Patent Grant
• 543730

• References
• Source

• Patent Number

  543,730

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1895
  129 years ago

• CPC

  • B63B45/04 - the devices being intended to indicate the vessel or parts thereof
  • F21S13/00 - Non-electric lighting devices or systems employing a point-like light source Non-electric lighting devices or systems employing a light source of unspecified shape
  • F21V7/0008 - providing for indirect lighting
  • F21V7/0091 - using total internal reflection
  • F21V13/04 - the elements being reflectors and refractors
  • F21V13/06 - a reflector being rotatable
  • F21V14/04 - by movement of reflectors
  • F21V14/08 - by movement of the screens or filters
  • F21V17/02 - with provision for adjustment
  • F21W2111/043 - for lighthouses or lightships

• US Classifications

  • 362 - Illumination
  • 114 - Ships