Fluid sprinkling – spraying – and diffusing – Including supply holder for material – To be mixed – dissolved or entrained in a flowing liquid...
Reexamination Certificate
1999-09-27
2001-07-31
Kashnikow, Andres (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Including supply holder for material
To be mixed, dissolved or entrained in a flowing liquid...
C137S893000
Reexamination Certificate
active
06267303
ABSTRACT:
BACKGROUND
Field of Invention
This invention relates to the field of lawn sprinkler system. Specifically, the invention comprises a fertilizer injector which may be placed in the water lines feeding the sprinkler system in order to introduce fertilizer or other fluids into the sprinkler system.
OBJECTS AND ADVANTAGES
The sprinkler systems presently available do not provide a means to introduce fertilizer or other desirable chemicals into the system. As a result, the homeowner must often spread or spray the lawn chemicals in a separate and time-consuming operation. The primary object of the present invention is to use the existing sprinkler system to spread the lawn chemicals during the normal irrigation process. Additional objects of the present invention are as follows:
(1) to allow the user to easily turn the chemical adding device on and off;
(2) To allow the user to disconnect the chemical container from the system without losing the prime on the sprinkler pump;
(3) To provide a fast means for switching chemical containers so that the user may add several different types of chemicals during a single irrigation cycle; and
(4) To provide a chemical adding device which may be used with many different types of existing sprinkler systems.
These objects and advantages will be fully explained in the details hereafter described, explained, and claimed, with reference being made to the accompanying drawings.
REFERENCES:
patent: 1220336 (1917-03-01), Hornsby
patent: 2246827 (1941-06-01), Wixom
patent: 2602697 (1952-07-01), Otto et al.
patent: 2856234 (1958-10-01), McNair et al.
patent: 2919073 (1959-12-01), Akselrad et al.
patent: 3194444 (1965-07-01), Hubert
patent: 3204661 (1965-09-01), Young
patent: 3658091 (1972-04-01), Buzzi
patent: 3669357 (1972-06-01), Overbey
patent: 3726304 (1973-04-01), Cook
patent: 4295545 (1981-10-01), Hiei
patent: 4883086 (1989-11-01), Lejnar
Bocanegra Jorge
Horton, Attorney John Wiley
Kashnikow Andres
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