Non-spillable drinking cup

Details Non-spillable drinking cup Non-spillable drinking cup

1991-06-24

1992-09-29

Marcus, Stephen

Receptacles

Container attachment or adjunct

Drinking device

220264, 220367, 220375, 220719, A47G 1922

Patent

active

051508168

ABSTRACT:
A non-spillable drinking cup having a perforated cover and an internally and resiliently hinged flap for closing the perforation in the cover. The perforation is located adjacent the periphery of the cup for allowing the upper lip of the user to downwardly bend the flap and drink from the cup. The cover can be alternatively positioned to upwardly abut against a peripheral flange around the opening of the cup to seal the latter when the cup is knocked over. The cover resiliently abuts against the flange to allow partial opening of the cover by a downward pressure on a portion of the latter.

REFERENCES:
patent: 2531503 (1950-11-01), Dick
patent: 3860162 (1975-01-01), Schutz
patent: 3964631 (1976-06-01), Albert
patent: 3967748 (1976-07-01), Albert
patent: 3972443 (1976-08-01), Albert
patent: 4099642 (1978-07-01), Nergard
patent: 4184603 (1980-01-01), Hamilton, Sr.
patent: 4303173 (1981-12-01), Nergard
patent: 4412629 (1983-11-01), Dart et al.
patent: 4927047 (1990-05-01), Stuber

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