Reusable cup cover

Details Reusable cup cover Reusable cup cover

1978-08-25

1980-01-15

Hart, Ro E.

Receptacles

Outlet or junction box type

Sectional receptacle

222548, 222557, 222560, A47G 1922

Patent

active

041834437

ABSTRACT:
A reusable cup cover having two separable parts for washing and mating in such a way that a segmented portion is slidably arranged to seal the top of the cup cover by means of a users thumb operation to enable the user to drink from the covered cup and reseal between drinks with a lockable tab.

REFERENCES:
patent: 1756249 (1930-04-01), Kaufman
patent: 1963766 (1934-06-01), Stewart
patent: 2111480 (1938-03-01), Pawlitschek
patent: 2358194 (1944-09-01), White
patent: 2975946 (1961-03-01), Westgate
patent: 3058630 (1962-10-01), Abt
patent: 3164286 (1965-01-01), Kole
patent: 3542260 (1970-11-01), Souza
patent: 3703979 (1972-11-01), Douty

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