3368439

Information

• Patent Grant
• 3368439

• References
• Source

• Patent Number

  3,368,439

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1968
  57 years ago

• CPC

  • G03F9/00 - Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces
  • Y10T83/6656 - Rectilinear movement only
  • Y10T83/7567 - Manually actuated drive means
  • Y10T83/766 - Spaced edges
  • Y10T83/839 - Mirror or lens

• US Classifications

  • 083 - Cutting
  • 033 - Geometrical instruments