Patent · US Expired

Fin assembly

US7393256B2 · kind B2 · utility

9Cited by
7References
65Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 14, 2003
Grant dateJul 1, 2008
Priority date
Expiry dateJan 14, 2023

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB63B2231/52
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An integrally formed fibreglass fin assembly (1) including a base (2)—that is defined by broken lines (3,4)—for mounting the assembly to an object in the form of a surfboard (5). A primary fin (6) extends upwardly from base (2)—in that it extends upwardly from line (3)—and has a compound arcuate leading primary edge (7) and a compound arcuate trailing primary edge (8). A secondary fin (9) extends rearwardly and upwardly from base (2)—in that it extends from line (4)—and has a compound arcuate leading secondary edge (10) and a compound arcuate trailing secondary edge (11).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.