Invention Application
US20040080141A1 Interchangeable socket hitch and security bar for trailer hitch assembly 审中-公开
可互换插座挂钩和拖车组合安全杆

  • Patent Title: Interchangeable socket hitch and security bar for trailer hitch assembly
  • Patent Title (中): 可互换插座挂钩和拖车组合安全杆
  • Application No.: US10065549
    Application Date: 2002-10-29
  • Publication No.: US20040080141A1
    Publication Date: 2004-04-29
  • Inventor: Robert B. Hart
  • Main IPC: B60D001/00
  • IPC: B60D001/00
Interchangeable socket hitch and security bar for trailer hitch assembly
Abstract:
Trailer hitch and security system employing interchangeable coupling hitch and security plug that can be locked in a receiver tube rigidly coupled to the trailer.
Information query
Patent Agency Ranking
0/0