Patent · US Active

Sanitary plunger

US11530533B2 · kind B2 · utility

0Cited by
16References
20Claims
0Family size

Inventor

Key dates

Filing dateOct 6, 2020
Grant dateDec 20, 2022
Priority date
Expiry dateOct 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.