3856253

Information

• Patent Grant
• 3856253

• References
• Source

• Patent Number

  3,856,253

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • F16B7/1481 - with a gripping helical spring
  • F16M11/26 - by telescoping, with or without folding
  • F16M11/28 - Undercarriages for supports with one single telescoping pillar
  • H04R1/08 - Mouthpieces; Microphones; Attachments therefor
  • F16M2200/027 - by friction
  • Y10T403/32426 - Plural distinct positions

• US Classifications

  • 248 - Supports
  • 403 - Joints and connections