US PATENT SUBCLASS 47 / 17
GREENHOUSES
Current as of: June, 1999
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DEFINITION
Classification: 47/17
Houses provided with transparent walls or with some other apparatus to accelerate the growth of vegetable life.
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19, for frames and their closures.
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52, Static Structures (e.g., Buildings), appropriate subclasses for a building structure or component which may be translucent or transparent but which does not define a feature specialized to plant husbandry.
