Drain opening device
US6345410B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Jan 26, 2001 |
| Grant date | Feb 12, 2002 |
| Priority date | — |
| Expiry date | Jan 26, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03C1/30
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drain opening device for clearing and opening a slow or clogged drain using a blower unit. The drain opening device includes a tubular assembly including an elongate tubular member having open top and bottom ends and a bore extending therethrough, and also including a collar being securely attached about the elongate tubular member at said bottom end thereof with the top end of the elongate tubular member being adapted to be connected to a hose from a blower unit and with the bottom end and the collar being adapted to be received in a drain pipe; and also includes a valve assembly being disposed in the bore of said elongate tubular member for preventing a back-flow of air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.