Spill-proof mug

Details Spill-proof mug Spill-proof mug

1990-11-05

1992-06-02

Huppert, Michael S.

Dispensing

With container handle or handgrips

Handle and actuator for flow controller or closure...

222485, 222509, 222518, 220254, 220715, A47G 1922

Patent

active

051180146

ABSTRACT:
A spill-proof drinking mug for drinking using either left or right hands of the user in which a base part serving as a container for the liquid is provided with a shape designed to fit within conventional cup holders of vans and RV's as well as cup-holding attachment for automobiles, and which has a threaded top opening. A screw-on cap with a handle sealingly mates with the top opening of the vessel, and has a pair of drinking openings at opposite sides of the handle. One opening is used for drinking and the other serves as a vent. A spring-loaded valve is mounted on the cap and is operable by the thumb of the hand holding the handle to simultaneously displace the valve out of both openings.

REFERENCES:
patent: 2447870 (1948-08-01), Polcyn
patent: 3396876 (1968-08-01), Workman et al.
patent: 3847311 (1974-11-01), Flores et al.
patent: 3972443 (1976-08-01), Albert
patent: 4094433 (1978-06-01), Numbers
patent: 4099642 (1978-07-01), Nergard
patent: 4121731 (1978-10-01), Okerstrum
patent: 4133446 (1979-01-01), Albert
patent: 4212408 (1980-07-01), Valenzona
patent: 4276992 (1981-07-01), Susich
patent: 4303173 (1981-12-01), Nergard
patent: 4712704 (1987-12-01), Ramsey et al.

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