1773309

Information

• Patent Grant
• 1773309

• References
• Source

• Patent Number

  1,773,309

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1930
  94 years ago

• CPC

  • G03B41/026 - combined with slit
  • G03B9/08 - Shutters
  • G03B37/04 - with cameras or projectors providing touching or overlapping fields of view
  • Y10T74/18688 - Limit stop
  • Y10T74/2101 - Cams

• US Classifications

  • 033 - Geometrical instruments
  • 074 - Machine element or mechanism
  • 352 - Optics: motion pictures