Plant husbandry – Greenhouse – apparatus or method
Reexamination Certificate
1999-04-01
2001-05-29
Swiatek, Robert P. (Department: 3643)
Plant husbandry
Greenhouse, apparatus or method
Reexamination Certificate
active
06237280
ABSTRACT:
BACKGROUND
1. Field of Invention
The property which is particularly valued by certain people tends to be vandalized by some enemies of such property-cherishers. There has been a long-standing demand for installations suitable for exhibiting valuable trees while protecting them from vandalism.
2. Prior art
Truong U.S. Pat. No. 5,799,488 describes a Memorial Grove in which in which substantially each tree has been grown in a nutrient containing the remains of a particular individual.
Chen U.S. Pat. No. 4,780,994 describes a “skyscraper cemetery” in which the microorganisms in the soil can compost a casket and body in a vault several stories above the street level.
SUMMARY OF INVENTION
In accordance with the present invention, potted trees are displayed in an installation featuring a difference in the elevation of the spectator and the normal maintenance level for the potted trees. For example, the potted trees can normally be maintained in a longitudinal pit, with the pathway for the spectator at a higher level. A building can be provided for the exhibition of potted trees, comprising a maintenance level at which potted trees are normally maintained, and a lifting mechanism can be provided so that a potted tree can be raised to the spectator's level, the spectator's pathway being sufficiently spaced from the tree that the tree is beyond the reach of the spectator. Trees are generally healthier when exposed to normal weather fluctuations, but are sometimes endangered by adverse weather. Optimally, the trees are protected from adverse weather by being protected by a building having a skylight, the skylight normally being maintained in a parked position, but readily slideable into a protective position over the opening in the roof.
REFERENCES:
patent: 2069292 (1937-02-01), Walker
patent: 3646976 (1972-03-01), McColl
patent: 4077158 (1978-03-01), England
patent: 4837971 (1989-06-01), Visser
patent: 5573558 (1996-11-01), Huang
patent: 5799488 (1998-09-01), Truong
patent: 5813168 (1998-09-01), Clendening
patent: 5833293 (1998-11-01), Ludwig
patent: 5974733 (1999-11-01), Gyory
Ewbank John R.
Swiatek Robert P.
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