Toilet flapper and method
US8307594B2 · kind B2 · utility
0Cited by
15References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2009 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Jun 16, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed are a toilet flapper and associated methods. In one representative embodiment, a flapper is provided having an upper side and a sealing side, the sealing side including a sealing surface. A dome protrudes from the sealing side at a middle of the sealing surface. Also, an opening of the dome is positioned in the upper side of the flapper. A float is employed with the flapper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.