2509500

Information

• Patent Grant
• 2509500

• References
• Source

• Patent Number

  2,509,500

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1950
  75 years ago

• CPC

  • G11B25/08 - using filamentary record carriers
  • Y10S264/40 - Processes of coiling plastics

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 242 - Winding, tensioning, or guiding
  • 264 - Plastic and nonmetallic article shaping or treating: processes