Water ski
US4767369A · kind A · utility
19Cited by
11References
5Claims
0Family size
Inventor
Key dates
| Filing date | Oct 16, 1986 |
| Grant date | Aug 30, 1988 |
| Priority date | — |
| Expiry date | Oct 16, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B32/50
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A water ski including a core and an outer skin enveloping the core. The core comprises two transversely spaced longitudinal core members and a longitudinal stringer interposed between and fixedly secured to the two core members. The stringer provides longitudinal rigidity and resilience to the water ski.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.