3663012

Information

• Patent Grant
• 3663012

• References
• Source

• Patent Number

  3,663,012

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • 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
  • G06K13/073 - with continuous movement
  • G06K13/107 - using pneumatic means

• US Classifications

  • 271 - Sheet feeding or delivering