Patent · US Expired

Tamper-evident twist-off closure

USRE36334E · kind E · reissue

0Cited by
22References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 16, 1995
Grant dateOct 12, 1999
Priority date
Expiry dateOct 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.