Tumbler
United States Patent 2456989
US Patent References:
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- - 0608590

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Inventors:
Polcyn, Bernard H.
Publication Date:
12/21/1948
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Assignee:
Polcyn, Bernard H.
Primary Class:
220/713
Other Classes:
222/568, 222/478
International Classes:
A47G19/22
US Patent References:
0794996
0809952
0908706
1509734Drinking cup
2003657Cap for drinking glasses
2069089Infant's feeding cup
2107309Drinking mouthpiece for bottles or the like
2121118Beverage container
2278586Infant's drinking cup
Foreign References:
NL29331C