Beverage container with vertically adjustable base
US5642831A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 20, 1995 |
| Grant date | Jul 1, 1997 |
| Priority date | — |
| Expiry date | Oct 20, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D51/32
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A drinking container is provided having a liquid containing portion and a slidably displaceable sleeve member. The slidably displaceable sleeve member is located adjacent the liquid containing portion. The liquid containing portion has a bottom surface. The sleeve member has a sidewall and a bottom surface. The sleeve member in a first position has its bottom surface spaced apart from the bottom surface of the liquid containing portion a first distance, while the sleeve member in a second position has its bottom surface spaced apart from the bottom surface of the liquid containing portion a second distance. The drinking container preferably has an upwardly projecting wall having at least one engaging member. Additionally, the sleeve member has a plurality of channels formed in its sidewall. The drinking container is formed having a first wall member and a second wall member, such that the sleeve member is retained between the first and second wall members. The liquid containing portion of the drinking container is configured to hold a maximum predetermined volume of liquid, which volume does not change when the sleeve member is displaced from its first position to its second positi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.