Plant husbandry – Cover – shade – or screen – Lath or slat type
Patent
1975-06-09
1977-04-26
Burr, Edgar S.
Plant husbandry
Cover, shade, or screen
Lath or slat type
47 33, 47 66, 47 84, 47 73, 47 58, A01G 1700, A01G 902, A01G 1100
Patent
active
040192792
ABSTRACT:
A tree planter which prevents the roots of a tree from cracking a nearby sidewalk, including a planting container which is buried in the ground with a young tree therein, the container having sidewalls of slick and impenetrable material such as plastic, and with the sidewalls sloping outwardly, so that the open bottom of the container is larger than the top, to help deflect roots downwardly so that when they begin growing outwardly they grow at a level far below the sidewalk.
REFERENCES:
patent: 78233 (1868-05-01), Poullain
patent: 100300 (1870-03-01), Ludlum
patent: 173446 (1876-02-01), Cottman
patent: 1500917 (1924-07-01), Bell
patent: 1636625 (1927-06-01), Conrad
patent: 2017308 (1935-10-01), Elmer
patent: 2769277 (1956-11-01), Keelor
patent: 3053010 (1962-09-01), De Shazor, Jr.
patent: 3889416 (1975-06-01), Bergeron
Albrecht Leonard N.
Moorman Maurice D.
Burr Edgar S.
Feyrer James R.
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