Spill-proof cup

Details Spill-proof cup Spill-proof cup

1994-10-06

1996-02-13

Douglas, Alan P.

Equipment for preparing or serving food or drink not elsewhere s

China, glassware, serving vessel or tray

Drinking vessel

D 7511, D 7534

Patent

active

D03669874

REFERENCES:
patent: D222628 (1971-11-01), Beckman
patent: D222732 (1971-12-01), Howard
patent: D233972 (1974-12-01), Juhlin
patent: D326796 (1992-09-01), Kawano
patent: D329355 (1992-09-01), Yagi
patent: D354416 (1995-01-01), Cautereels et al.
patent: D359417 (1995-06-01), Chen
patent: 4125052 (1990-05-01), Betka et al.
patent: 4953737 (1990-09-01), Meyers
patent: 5294018 (1994-03-01), Boucher
Chicco Baby Nipple Training Cup #30.

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