3539130

Information

• Patent Grant
• 3539130

• References
• Source

• Patent Number

  3,539,130

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1970
  54 years ago

• CPC

  • G11B23/093 - the reels or cores being coaxial
  • G03B17/265 - specially adapted for motion picture film

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER