2977125

Information

• Patent Grant
• 2977125

• References
• Source

• Patent Number

  2,977,125

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1961
  63 years ago

• CPC

  • G11B3/06 - Determining or indicating positions of head
  • G11B3/08 - Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 434 - Education and demonstration