3741053

Information

• Patent Grant
• 3741053

• References
• Source

• Patent Number

  3,741,053

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1973
  51 years ago

• CPC

  • G06K21/06 - Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards
  • B26F1/0007 - Perforation of photographic films
  • B26F1/12 - to notch margins of work
  • G03B17/24 - with means for separately producing marks on the film
  • G03B27/521 - Arrangements for applying a supplementary information onto the sensitive material
  • G03C1/765 - characterised by the shape of the base
  • G03B2217/245 - Mechanical devices
  • Y10S83/917 - Notching
  • Y10T83/178 - Responsive to work
  • Y10T83/8733 - Tool movable to cooperate selectively with one of a plurality of mating tools
  • Y10T83/874 - Straight line positioning
  • Y10T83/8845 - Toggle links, one link pivoted to tool support

• US Classifications

  • 083 - Cutting
  • 234 - Selective cutting