Earth working – Lawn aerator or perforator – or plug remover – Earth removing
Reexamination Certificate
2007-04-17
2007-04-17
Batson, Victor (Department: 3671)
Earth working
Lawn aerator or perforator, or plug remover
Earth removing
Reexamination Certificate
active
10866939
ABSTRACT:
Certain embodiments of the invention include an aerator that provides a shifting means adapted to alter the path of the aeration tines so that they do not impact the ground surface, the shifting being effected without lifting the entire aerator from the ground surface. Some embodiments of an aerator further include an energy modulation system that is capable of relieving a shock to the gear system caused by an aeration tine impacting debris, rocks or a hardened portion in the ground.
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PlanetAir Aerator, “Aerate, Mow, then Putt in just 15 minutes . . . ”, Brochure, PlanetAir Turf Products, LLC—believed to have been publicly available before Aug. 11, 2003.
PlanetAir Aerator, “Innovation that improves and protects your piece of the planet . . . ,” Brochure, PlanetAir Turf Products, LLC—believed to have been publicly available before Aug. 11, 2003.
PlanetAir Aerator, “Aerate. Mow. Play.”, Brochure, PlanetAir Turf Products, LLC—believed to have been publicly available before Aug. 11, 2003.
Bjorge Scott W.
Maas David R.
Batson Victor
PlanetAir Turf Products, LLC
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