Sleeve protector for cups
US6053352A · kind A · utility
47Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 14, 1998 |
| Grant date | Apr 25, 2000 |
| Priority date | — |
| Expiry date | Sep 14, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/903
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A sleeve protector with an air insulating central gripping portion and an upper rim flange. The sleeve is enhanced by an upper protective stacking shoulder immediately below the rim flange, gripping points inwardly directed about the lower opening of the sleeve, the formation of insulating air channels or pockets with both vertical and lateral components, and the use of a transparent material for a viewing of underlying cup indicia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.