Irrigation device

Fluid sprinkling – spraying – and diffusing – Processes

Reexamination Certificate

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Details

C239S011000, C239S728000, C239S723000, C239S536000, C239S722000

Reexamination Certificate

active

07337982

ABSTRACT:
An irrigation device having a plurality of spans emanating from a common vertically oriented source of supply.

REFERENCES:
patent: 2779732 (1957-01-01), Knowles
patent: 2956750 (1960-10-01), Singer et al.
patent: 3140827 (1964-07-01), Fletcher
patent: 3381893 (1968-05-01), Smith, Jr. et al.
patent: 3724758 (1973-04-01), Fizmaurice
patent: 4421274 (1983-12-01), Noble
patent: 5572954 (1996-11-01), Elkins

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