Protective cover for valve stems and the like

Details Protective cover for valve stems and the like Protective cover for valve stems and the like

2005-12-06

2005-12-06

Chambers, A. Michael (Department: 3753)

Fluid handling

With casing, support, protector or static constructional...

Guards and shields

C137S377000, C137S559000, C251S266000

Reexamination Certificate

active

06971401

ABSTRACT:
An apparatus includes a cylindrical body that is formed from soft and resilient material and has a smooth outer surface provided with surface indicia coated thereon that has a fluorescent color for drawing attention thereto. The body further has a bore formed therein that extends through the length thereof and has an open and a closed end portion. An aperture is formed in the body that penetrates the body and terminates laterally of the bore. A sleeve formed from rigid material is nested within the bore, confronts an interior surface of the body and spans between the open and closed end portions of the body. A tether is included that has opposed end portions connected to the body and the valve assembly. The tether is attached proximate to one end portion of the body such that the apparatus can be detached while the tether remains engaged with the valve assembly.

REFERENCES:
patent: 1664694 (1928-04-01), Lovvorn
patent: 2379529 (1945-07-01), Kennedy
patent: 2578630 (1951-12-01), Hartman
patent: 2973774 (1961-03-01), Clure
patent: 3067630 (1962-12-01), Hartman
patent: D258693 (1981-03-01), L'Heureux
patent: 4407324 (1983-10-01), Caddell
patent: 4453618 (1984-06-01), Economaki
patent: 5299883 (1994-04-01), Arth, Jr.
patent: 5908048 (1999-06-01), Van Driel
patent: 6520212 (2003-02-01), Blivet

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