Plant husbandry – Receptacle for growing medium – Window box
Patent
1987-01-07
1988-06-07
Hafer, Robert A.
Plant husbandry
Receptacle for growing medium
Window box
47 66, A01G 902
Patent
active
047487704
ABSTRACT:
A window box planter device (10) in combination with a window assembly (100) including a window frame (110) and a window sill (100) wherein the device (10) comprises a receptacle unit (11) and securing means (12) extending through the receptacle unit (11) and comprising cooperting cylindrical means (20) which are urged apart by spring means (40) and provided on their outboard ends with friction means (50) which operatively and releasably engage the device (10) with the window frame (110).
REFERENCES:
patent: 961352 (1910-06-01), Walters
patent: 1639551 (1927-08-01), Booth
patent: 1690910 (1928-11-01), Shapiro
patent: 2223074 (1940-11-01), Martin
patent: 2980281 (1961-04-01), Stewart
patent: 3090071 (1963-05-01), Costelli
patent: 3269551 (1966-08-01), Hertzel
patent: 3593470 (1971-07-01), Francis
patent: 4048754 (1977-09-01), Laux
Hafer Robert A.
Lewis Bradley M.
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