Baby bottle with air valve
US4928836A · kind A · utility
36Cited by
8References
4Claims
0Family size
Inventors
Key dates
| Filing date | Sep 28, 1988 |
| Grant date | May 29, 1990 |
| Priority date | — |
| Expiry date | Sep 28, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7932
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An air valve for a baby bottle that fits in the side of the baby bottle. A valve is disposed interior of an air pressure-sensitive diaphragm to permit air to enter the bottle when liquid is removed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.