The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2003
Filed:
Jun. 22, 2001
Christopher Paul Ramsey, Oxfordshire, GB;
Philippe Odet, Chasselay, FR;
Michael Barrie Simpson, Lancashire, GB;
Peter Frank Woodward, Southmoor, GB;
Donald E Griffiths, Paignton, GB;
Robert McDonald Gillies, Grove, GB;
Crown Cork & Seal Technologies Corporation, Alsip, IL (US);
Abstract
A snap-on or screw type, tamper evident closure having first and second relatively moveable plastic parts ( ) which move from an initial position to a new limiting position when the closure is first opened, the new limiting position being visually distinguishable from the initial position to provide the tamper evidence. The two plastics parts are formed in mutually intimate association but have inter-engaging complimentary formations ( ) which become irreversibly disengaged on first opening of the closure.