3469752

Information

• Patent Grant
• 3469752

• References
• Source

• Patent Number

  3,469,752

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1969
  56 years ago

• CPC

  • G06K13/30 - intermittently
  • F15B21/00 - Common features Fluid-pressure systems, or details thereof, not covered by any preceding group
  • F15C1/001 - for punched-card machines ; for typewriters ; for keyboards; for conveying cards or tape; for conveying through tubes ; for computers ; for dc-ac transducers for information processing ; for signal transmission
  • H04L13/06 - Tape or page guiding or feeding devices

• US Classifications

  • 226 - Advancing material of indeterminate length