Sanitary plunger
US11530533B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Oct 6, 2020 |
| Grant date | Dec 20, 2022 |
| Priority date | — |
| Expiry date | Oct 6, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03F9/002
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The system disclosed herein is directed to a plunger adapted for use with a protective sleeve for shielding contaminants from the plunger. In one example, a plunger has a handle having a first end and a second end. A flexible cup is coupled to the first end of the handle. The flexible cup has an interior surface and an exterior surface. An inlet is disposed on the exterior surface of the flexible cup. A through-hole is located in the flexible cup offset from the inlet. A connector is coupled to the inlet between the flexible cup and the handle. The connector is configured to join the first end of the handle to the flexible cup.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.