Sleeve protector for cups

Details Sleeve protector for cups Sleeve protector for cups

1998-09-14

2000-04-25

Castellano, Stephen

Receptacles

Container attachment or adjunct

Container holder

220903, 220671, B65D 144

Patent

active

060533528

ABSTRACT:
A sleeve protector with an air insulating central gripping portion and an upper rim flange. The sleeve is enhanced by an upper protective stacking shoulder immediately below the rim flange, gripping points inwardly directed about the lower opening of the sleeve, the formation of insulating air channels or pockets with both vertical and lateral components, and the use of a transparent material for a viewing of underlying cup indicia.

REFERENCES:
patent: 3223305 (1965-12-01), Edwards
patent: 3443714 (1969-05-01), Edwards
patent: 4548349 (1985-10-01), Tunberg
patent: 4870837 (1989-10-01), Weins
patent: 5259529 (1993-11-01), Coale
patent: 5669553 (1997-09-01), Smith
patent: 5765716 (1998-06-01), Cai et al.

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