Plant husbandry – Greenhouse – apparatus or method
Patent
1987-07-10
1989-01-03
Hafer, Robert A.
Plant husbandry
Greenhouse, apparatus or method
47 69, 47 66, 280 4734, 280 4726, 280 714, 280491R, 280767, D34 25, A01G 916, B62B 120
Patent
active
047947276
ABSTRACT:
A portable wheel-about greenhouse is provided formed with a transparent top portion of double wall insulated construction configured to engage in interfitting relationship with a bed portion also formed of double wall construction providing further insulation to said bed thereby. Said transparent cover portion may be positioned in spaced relationship to said bed portion periodically by means of spacer elements positionable at respective corners of the bed and cover members. At least one pair of over-sized wheels are utilized for ease of portability and convenience in transport of said greenhouse from one site to another.
REFERENCES:
patent: D184781 (1959-03-01), Todd
patent: D223104 (1972-03-01), Looms
patent: D250689 (1979-01-01), Lee
patent: 2456939 (1948-12-01), Haase
patent: 2757937 (1956-08-01), Illsley
patent: 2817536 (1957-12-01), Taggert
patent: 3106801 (1963-10-01), Risacher
patent: 4470610 (1984-09-01), Wilson
DeMille Danton D.
Gilden Leon
Hafer Robert A.
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