Ground maintenance apparatus

Earth working – Lawn aerator or perforator – or plug remover

Reexamination Certificate

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Details

C172S540000

Reexamination Certificate

active

10793057

ABSTRACT:
A ground maintenance apparatus which may be used for slicing, scarifying, dethatching and mowing of grass or turf is disclosed. The apparatus may also be used for sweeping and vacuuming of turf, and is particularly directed at ground or turf aeration apparatus.

REFERENCES:
patent: 4662456 (1987-05-01), Classen
patent: 5816336 (1998-10-01), Underhill
patent: 6142239 (2000-11-01), Underhill
patent: 6142240 (2000-11-01), Underhill
patent: 6321849 (2001-11-01), Underhill
patent: 6488100 (2002-12-01), Underhill
patent: 6651753 (2003-11-01), Gauthier
patent: 2005/0173133 (2005-08-01), Maas et al.
patent: 2268385 (1994-01-01), None

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