3004644

Information

• Patent Grant
• 3004644

• References
• Source

• Patent Number

  3,004,644

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1961
  63 years ago

• CPC

  • E04B9/345 - consisting of non-parallel slats
  • E04B9/20 - adjustable
  • Y10T24/3911 - Friction disk

• US Classifications

  • 052 - Static structures
  • 024 - Buckles, buttons, clasps, etc.
  • 242 - Winding, tensioning, or guiding