3897023

Information

• Patent Grant
• 3897023

• References
• Source

• Patent Number

  3,897,023

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1975
  49 years ago

• CPC

  • B65H75/406 - hand-held during use
  • B65H2701/357 - Marking strings

• US Classifications

  • 242 - Winding, tensioning, or guiding