Piston type drain clearing apparatus
US6895606B2 · kind B2 · utility
2Cited by
13References
7Claims
0Family size
Inventor
Key dates
| Filing date | Jun 19, 2003 |
| Grant date | May 24, 2005 |
| Priority date | — |
| Expiry date | Jun 19, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03C1/308
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for clearing a clog in a pipe having a diameter, the apparatus including a hollow, rigid cylindrical body, the body having a closed end, an open end and an inside diameter that is less than the diameter of the pipe at the clog thereby providing a mechanical advantage in removing the clog; a piston disposed in the body for reciprocation therein; a rod attached to the piston and extending through an opening in the closed end of the body; a handle located on an upper portion of the rod; and a seal attached to the open end of the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.