Tamper-evident twist-off closure
USRE36334E · kind E · reissue
Assignee
Inventor
Key dates
| Filing date | Oct 16, 1995 |
| Grant date | Oct 12, 1999 |
| Priority date | — |
| Expiry date | Oct 16, 2015 |
Classification
- Technology area (CPC —)General
Abstract
A tamper-proof closure for use with a bottle having a neck, a lip, and shelf surrounding the neck and a plurality of ramp sections. The closure includes a top wall, a skirt and a plurality of tabs extending from the bottom edge of the skirt. The tabs include first and second side edges and a transverse edge. The tab is longer adjacent to one side edge than the other. The ramp sections include an upwardly sloping portion of the shelf and a cam wall extending across the shelf from the neck to the outer edge of the shelf.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.