NON-SPILL CUP

• US 3,739,938 A
• Filed: 05/20/1971
• Issued: 06/19/1973
• Est. Priority Date: 05/20/1971
• Status: Expired due to Term

• Current Assignee: Nicolas S. Paz
• Original Assignee: Nicolas S. Paz
• Inventors: Paz, Nicolas S.
• Primary Examiner(s): Dixson, Jr., William T.
• Application Number:
  US05/145,455
• Time in Patent Office: 761 Days
• Field of Search: 220/90.2,90.4,90.6 215/74,79 222/484,482,481
• US Class Current: 220/715
• CPC Class Codes: A47G 19/2272 from drinking glasses or cups comprising lids or covers
• CPC Class Codes: B65D 2205/00 Venting means
• CPC Class Codes: B65D 47/06 with pouring spouts or tubes; with discharge nozzles or passages with slidable spouts B65D47/26
• CPC Class Codes: B65D 47/248 the valve being opened or closed by imparting a motion to the valve stem B65D47/244, B65D47/245 take precedence

Abstract

A drinking vessel from which the contents will not spill out when the vessel is dropped and yet which permits a person to drink therefrom, the device comprising a cup with a removable cap placed thereupon, the cap including a pouring spout and an air vent for intake of air, and a manually depressable plunger which supports a closure for sealing off the inner ends of the spout and the air vent.

Claims

1. In a non-spill cup, the combination of a cup vessel and a closure cover, said cover having self-contained means to permit a person to drink the contents of said cup vessel, and also having self-contained means to prevent the liquid content within said cup to be spilled when said cup is accidentally dropped and struck against a floor or ground, said cup comprising a container including a bottom wall and side wall, the upper end of said side wall having an internal thread for engagement with an external thread of said cover removably secured thereto, said cover being provided with an upwardly extending spout with a central opening therethrough, said cover additionally including an air return vent extending therethrough, said spout opening being of larger capacity cross section than said air return vent, said cover including a closure mechanism for closing the inner ends of said spout and said air vent, said closure mechanism comprising a central plunger extending through said cover, the upper end of said plunger having a knob secured thereto, a compression coil spring around said plunger located between the lower end of said knob and the upper side of said cover, the lower end of said plunger being integral with a closure member which at its opposite ends is provided with a seat into which a lower end of said spout and said air vent are receivable so to seal off the lower ends of said spout and said air vent, said spout opening having a wide outlet, and said air vent having a plurality of individual outlets.