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:
Jul. 25, 2017
Filed:
Dec. 22, 2011
David Latham, Oxfordshire, GB;
Robert Wozencroft, Surrey, GB;
David Latham, Oxfordshire, GB;
Robert Wozencroft, Surrey, GB;
OWEN MUMFORD LIMITED, Oxford, GB;
Abstract
An autoinjector includes a body (), a syringe () or cartridge disposed within the body, and a plunger () moveable during operation between a first and a second position to effect an injection, the plunger including a transverse passage () containing a moveable magnetic element () of a magnetic pair, the body including another magnetic element () at a position such that, on the plunger reaching and/or nearing its second position, the magnetic attraction therebetween causes a sound-emitting impact, the plunger () including a magnetic keeper element () mounted adjacent the transverse passage and adapted to hold the movable magnetic element () against movement until attraction by the other magnetic pair element (), wherein the keeper element () is disposed on the longitudinal axis.