3756532

Information

• Patent Grant
• 3756532

• References
• Source

• Patent Number

  3,756,532

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  51 years ago

• CPC

  • D06B23/042 - Perforated supports
  • D06B23/045 - radially collapsible

• US Classifications

  • 242 - Winding, tensioning, or guiding