Object retrieval system

Hydraulic and earth engineering – Fluid control – treatment – or containment – Floatable matter containment

Reexamination Certificate

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Details

C405S064000, C405S074000, C473S197000, C473S476000, C473S131000, C473S409000

Reexamination Certificate

active

07131789

ABSTRACT:
An object retrieval system providing an expanse of flexible material variably configured by travel of a material support element between a first position and a second position which generates movement in objects that collect on the material surface for retrieval.

REFERENCES:
patent: 3921757 (1975-11-01), Kennedy
patent: 5240246 (1993-08-01), Gohil et al.
patent: 6161988 (2000-12-01), Pawluk
patent: 6447205 (2002-09-01), Pawluk
patent: 2002/0124304 (2002-09-01), Perrier
patent: 4136976 (1993-05-01), None

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