Patent ID: 6102244
Filing Date: 2000-08-15
Classification: A47G

Abstract:
A mug comprising:a vessel defined by two shells with one nested within the other and generally spaced therefrom to define an insulating space, both said shells having circular, open upper ends and being joined to each other at an annular upper end joint;an annular shoulder gasket of relatively soft sealing material on said upper ends and covering said joint;an annular shoulder of relatively hard material mounted on one of said shells and covering said shoulder gasket, said shoulder having a radially inwardly directed gross sealing surface near a lower edge of said shoulder and a radially inner thread located above said lower edge;a lid removably disposed on and within said shoulder, said lid having an annular side wall with a radially outer thread engageable with said radially inner thread and a bottom wall with an imperforate center and merging with said side wall, said lid further including an annular array of sip holes located generally at the location where said side and bottom walls merge, said sip holes being aligned with said gross sealing surface to be closed thereby when said lid is threaded fully within said shoulder and to be open with respect to said sealing surface when said lid is not threaded fully within said shoulder; anda lid gasket on said lid side wall above said sip holes and sealingly engaging said shoulder above said gross sealing surface at least when said sip holes are open.