Bathtub drain stopper
US11162251B2 · kind B2 · utility
6Cited by
8References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2017 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | May 2, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03C1/262
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A bathtub drain stopper includes an open-close mechanism having threaded upper and lower ends, a cap, a seal, and means for anchoring the open-close mechanism in a drain pipe, where the length can be adjusted and fixed with a lock nut. A threaded anchor is provided for a tub shoe having a crossbar with a threaded opening. An anchor having prongs is provided for a tub shoe having a crossbar with no opening. A wheel-shaped anchor having an O-ring about its perimeter is provided for a drain that does not have a crossbar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.