Drinking receptacle
Patent 3964631 Issued on June 22, 1976. Estimated Expiration Date: 
June 22, 1993. 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.
June 22, 1993. 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 434211 1046803 1886106 2447870 2554293 2578201 2706585 3256916 3739938 InventorApplicationNo. 482363 filed on 06/24/1974US Classes:220/715, Finger operated220/254.3, Pivotable secondary closure220/264, Biasing means222/518For elements reciprocable axially of discharge openingExaminersPrimary: Lowrance, George E.Assistant: Shoap, Allan N. AbstractA drinking receptacle provided with a generally cup like body and an enclosing cover removably coupled to the top portion and upper open end of the cup like body, the cover having a drinking opening near the peripheral rim thereof, and a finger operated valve adapted to open and close said drinking opening whereby the receptacle may contain hot or cold beverages therein and the valve prevents the spillage of said beverages at times when beverages are not being poured or drunk from said drinking opening. The finger operated valve having an actuator reciprocally mounted in the side of the cover and having wedge like actuator structure as well as a finger operating abutment adapted wedgingly to move an arm of said valve away from a lower side of said cover and for actuating a resilient finger on said arm to thereby move a poppet head portion of said valve away from said opening for allowing contents to be poured through said opening and drunk at the rim of said cover. | |
