Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means
Reexamination Certificate
2005-11-01
2005-11-01
Nguyen, Dinh Q. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
With fixed support for or ground installed supply means
C239S201000, C239S280500, C285S298000, C138S114000
Reexamination Certificate
active
06959880
ABSTRACT:
A length adjustable conduit has a hollow tubular body and a hollow tubular shaft coaxially disposed in fluid tight communication with the hollow tubular body. The conduit further includes an adjustment mechanism for adjusting the combined length of the tubular body and tubular shaft.
REFERENCES:
patent: 1833040 (1931-11-01), Rader
patent: 3825186 (1974-07-01), Heenan et al.
patent: 4274592 (1981-06-01), Westhusin
patent: 5133501 (1992-07-01), Marshall
patent: 6193168 (2001-02-01), Derrick
Anderson Denton L.
Nguyen Dinh Q.
Sheldon & Mak
Spears Manufacturing Co.
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