3515858

Information

• Patent Grant
• 3515858

• References
• Source

• Patent Number

  3,515,858

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1970
  54 years ago

• CPC

  • G06K7/02 - by pneumatic or hydraulic means
  • 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

• US Classifications

  • 235 - Registers