Education and demonstration – Geography – Map or terrain model
Patent
1993-03-05
1995-03-07
Mancene, Gene
Education and demonstration
Geography
Map or terrain model
434131, 434295, 47 66, G09B 2506
Patent
active
053952448
ABSTRACT:
The subject invention provides for an educational device for teaching concepts of geography and biology (including ecology). The subject invention comprises a plant growth chamber in which any of a variety of plants may be grown. Covering the plant growth chamber is a plant growth limitation shield having at least one opening. The top surface of the plant growth limitation shield contains an illustration in which the aperture (or apertures) forms a part of the illustration. The subject device also comprises means for holding the plant growth limitation shield in place over the plant growth chamber such that plants growing from the plant growth chamber may grow through the aperture (or apertures) of the plant growth limitation shield and that the plant growth limitation shield is held in fixed position relative to the plant growth chamber. A variety of illustrations may be present on the top surface of the plant growth limitation shield, preferred illustrations include land masses such as countries or continents, flora, fauna, ethnic symbols, points of interest e.g. historical sites in which the aperture (or apertures) form areas of the land mass known to contain large amounts of vegetation, e.g. rain forests.
REFERENCES:
patent: 641283 (1900-01-01), Evans
patent: 1668569 (1928-05-01), Murry
patent: 2233032 (1941-02-01), Robinson
patent: 4103436 (1978-08-01), Strussion et al.
patent: 4115930 (1978-09-01), Beck
patent: 4163343 (1979-08-01), Schoenfield
patent: 4494935 (1985-01-01), Miller
Kreten Bernhard
Mancene Gene
Smith Jeffrey A.
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