3510081

Information

• Patent Grant
• 3510081

• References
• Source

• Patent Number

  3,510,081

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1970
  54 years ago

• CPC

  • B43L13/046 - with cables
  • B43L5/025 - with paper rolls

• US Classifications

  • 033 - Geometrical instruments
  • 242 - Winding, tensioning, or guiding
  • 269 - Work holders
  • 281 - Books, strips, and leaves