Playpen with double columns at each corner

Details Playpen with double columns at each corner Playpen with double columns at each corner

2005-10-18

2005-10-18

Grosz, Alexander (Department: 3673)

Beds

Crib

Folding

C005S098100, C005S093100

Reexamination Certificate

active

06954949

ABSTRACT:
A playpen with columns comprises a plurality of first corners each having a first bulge and a second bulge, a plurality of second corners each having a first sleeve and a second sleeve, a first rod unit connecting the first corners, a second rod unit connecting the second corners, a plurality of first columns whose one end bushes around the first bulge and another end thereof is inserted into the first sleeve, a plurality of second columns whose one end bushes around the second bulge and another end thereof is inserted into the second sleeve, and a boundary shelter unit covering the first columns. The distance between two opposite second columns is larger than that of two opposite first columns so that the second columns are revealed.

REFERENCES:
patent: 6539563 (2003-04-01), Hsia
patent: 199957 133 (1999-11-01), None
patent: 2000-60689 (2000-02-01), None

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