Child resistant twist off closure and container
Patent 5551582 Issued on September 3, 1996. Estimated Expiration Date: 
September 29, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 29, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3695475 3792793 3923181 Childproof, snap-on, twist-off safety cap and container Container and child resistant closure assembly Patent #: 4579239 InventorAssigneeApplicationNo. 536113 filed on 09/29/1995US Classes:215/216, Flexible locking member integral with or attached to closure215/217, Closure guided in simultaneous turning and reciprocating movememnt (e.g., screw threaded)215/225With movable closure removal obstacleExaminersPrimary: Shoap, Allan N.Assistant: Newhouse, Nathan J. Attorney, Agent or FirmForeign Patent References
International ClassB65D 055/02AbstractA child resistant, snap on, twist off closure container package which is open by squeezing and deflecting diametrically opposed side portions of the closure to bring cam followers into engagement which cams on the container so that subsequent turning causes axial displacement and opening movement of the closure from the container. Guide members prevent deforming of the closure to maintain sealing surfaces and adjoining surfaces of the closure and container in alignment with each other and prevent distortion on to expose surfaces which can be gripped by the fingers or teeth in an effort to open the closure and container in a manner other than the intended method of squeezing and twisting of the closure relative to the container.Field of SearchClosure guided in simultaneous turning and reciprocating movement (e.g., threaded)Flexible locking member integral with or attached to closure Closure guided in simultaneous turning and reciprocating movememnt (e.g., screw threaded) Closure threaded to receptacle and/or rotatable closure removal obstruction Encompassing closure removal obstacle and closure engaging for concurrent movement Closure removal obstacle movable to unobstructive position Closure guided in sequential turning and reciprocating movement Snap-type closure With movable closure removal obstacle Closure and receptacle having preformed, coacting configurations | |
