Plant husbandry – Bench or elevated bed – hotbed
Patent
1977-03-14
1978-10-24
Burr, Edgar S.
Plant husbandry
Bench or elevated bed, hotbed
108 59, 182194, 182222, 182228, A01G 900
Patent
active
041213777
ABSTRACT:
Greenhouse plants are displayed on horizontal shelves supported between side rails extending at an angle between vertical support posts, the posts being interconnected in pairs between confronting vertical grooves formed in the posts. Each shelf is assembled from elongated sections held in parallel spaced relation to each other by spacers at the longitudinal ends of the shelf which are received within grooves formed in the side rails.
REFERENCES:
patent: 247676 (1881-09-01), Miller
patent: 319339 (1885-06-01), Stephenson
patent: 379261 (1888-03-01), Wright
patent: 1408226 (1922-02-01), Sheldon
patent: 1594754 (1926-08-01), Reines
patent: 3024569 (1962-03-01), Nearing et al.
patent: 3314206 (1967-04-01), Dau
patent: 3365840 (1968-01-01), Cooper
patent: 3389666 (1968-06-01), Schultze-Bonatz
patent: 3513786 (1970-05-01), Kellogg
patent: 4024929 (1977-05-01), Mintz
Allen Peter A.
Richfield Robert S.
Burr Edgar S.
Feyrer James R.
Jacobson Harvey B.
O#Brien Clarence A.
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