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Title: Insulating drink-through closure lids for potable open-top containers
Claims: Having thus described the invention, there is claimed as new and desired to be secured by Letters Patent: 1. A drink-through closure lid for detachably capping the open top of a hot potable container, said lid having a crown and peripheral means for releasably sealingly engaging the lip of the container, means providing at least one opening in the crown through which the hot potable in the container may be drunk through the lid, while the lid is in container-capping position, and means providing an upper surface of low heat conductivity over at least the portion of the top surface of said crown engaged by the inner surface of the lip of a person drinking the hot potable in the container through the lid, said lid being provided with flutes juxtaposed with the means providing at least one opening in the crown and being expandable downwardly upon application of manual downward pressure to the crown whereby to form a depression to accommodate the nose of a person drinking the hot potable from the container through the lid. 2. The lid of claim 1, in which the flutes are parallel to a diameter of the crown. 3. The lid of claim 2, in which the depression formed by pressing on the crown is in the shape of a trough. 4. The lid of claim 1, in which the flutes are in the configuration of concentric circles. 5. The lid of claim 4, in which the depression formed by pressing on the crown is conical. Other info: Inventors: Ruff, Stanley L. (New Rochelle, NY, US) Application Number: 645567 Filing Date: 1975-12-31 Publication_date: 1978-04-25 Assignee: Primary Class(es): 220/713 222/527, 222/565, 229/906.1 Other Classes: US Patent Ref:
Other Refs: Primary Examiner: Lowrance, George E. Assistant Examiner: Shoap, Allan N. Attorney: Kirschstein, Kirschstein, Ottinger, Frank & Cobrin |
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