Plant husbandry – Tree trunk guard or protector
Patent
1975-05-05
1976-06-08
Burr, Edgar S.
Plant husbandry
Tree trunk guard or protector
47 34R, 47 3411, 47 37, 206423, 220306, 220319, A01G 1300
Patent
active
039614433
ABSTRACT:
A cover for nursery and flower pots is constructed from a thin flexible plastic material having a plurality of holes therein through which water and nutrients may be supplied to the stock. A circumferential lip about the outside perimeter of the cover is adapted to fit over the top of a pot and secure the cover thereto. The cover is formed with a plurality of annular steps which are graduated in depth toward the open center. The cover is in one piece with a single radially extending slit or separation to permit the cover to be opened for placement on a pot containing growing stock. A flexible tab which secures to a knob on the outside circumference of the cover serves to lock the cover in place.
REFERENCES:
patent: 2017308 (1935-10-01), Elmer
patent: 2797777 (1957-07-01), Cookson
patent: 2867946 (1959-01-01), Kobs
patent: 2901098 (1959-08-01), Tupper
patent: 3147569 (1964-09-01), Murguia
patent: 3287851 (1966-11-01), Cramer
patent: 3474930 (1969-10-01), Lerner
patent: 3580409 (1971-05-01), Soboleski
patent: 3618260 (1970-04-01), Convey, Jr. et al.
patent: 3785088 (1974-01-01), Guarriello
Bradley Donald F.
Burr Edgar S.
Feyrer James R.
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