Tumbler
US6640992B1 · kind B1 · utility
29Cited by
4References
20Claims
0Family size
Inventors
Key dates
| Filing date | Feb 20, 2003 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Feb 20, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47G2019/2294
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention discloses a toddler's drinking cup design to teach toddler's and children how to drink properly without a sucking motion. The three piece self-righting toddler's drinking cup comprising a lid with threads, a concave surface having a ledge encircling the outside of the lid comprising a slit adapted for drinking and an air venting hole(s); a cup with matching threads, a weighted rubber round bottom and two diametrically opposed handles; and an o-ring seal adapted for sealing the lid to the cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.