Siphon hose with gallon counter

Details Siphon hose with gallon counter Siphon hose with gallon counter

2006-02-21

2006-02-21

Prince, Fred G. (Department: 1724)

Liquid purification or separation

Structural installation

Closed circulating system

C210S232000, C210S416200, C137S140000, C073S861750

Reexamination Certificate

active

07001510

ABSTRACT:
A siphon to be used when removing water from a personal aquarium for cleaning purposes. The water passes through propellers or flaps of a present friction, which monitor the volume flowing out of the aquarium. The amount of water is displayed on an exterior gauge so the user may achieve accuracy. Appropriate filtering media is provided to insure that small particles such as rocks and gravel do not injure the internal parts of the device.

REFERENCES:
patent: 3919455 (1975-11-01), Sigdell
patent: 4589280 (1986-05-01), Carter
patent: 4615798 (1986-10-01), O'Dougherty
patent: 4683748 (1987-08-01), Carter
patent: 4934187 (1990-06-01), Woltman
patent: D317970 (1991-07-01), Yen
patent: 5240596 (1993-08-01), Chesnut
patent: 5263370 (1993-11-01), Murata et al.
patent: 5351557 (1994-10-01), Jones
patent: D409716 (1999-05-01), Bakke
patent: 6878267 (2005-04-01), Mandia
patent: 29710584 (1997-06-01), None

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