Drain plug system for a boat
US6390007B1 · kind B1 · utility
11Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 18, 2001 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Apr 18, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B13/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A drain plug system for a boat which has a sleeve in the drain opening and an expandable drain plug to be disposed in the sleeve. A retainer is connected to the drain plug. The retainer is disposed within the sleeve and has ends which engage the inner side of the sleeve when the drain plug is contracted so that the drain plug is prevented from being lost.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.