US3638795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power hood
Assignee: Precision Valve Corp
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Filing: 1969-11-13
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Granted: 1972-02-01
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Expires: 1989-11-13
Abstract
Abstract A covering hood for an aquarium tank incorporates water and air pumps, a filter, heater means, ultraviolet irradiation means, lights and an organic-material-removal device into a two-section structure wherein the front section is hinged for access to the aquarium. The hood is particularly adapted to cooperate with a gravel bed filter unit located near the bottom of the aquarium to form therewith a complete aquarium water treatment and circulation system.
Inventors
- 👤 Henry A Feddern
- 👤 John A Sabol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:04
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/06; F; F21; F21W; F21W2131/00; F21W2131/30; F21W2131/308; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
169 words
A hood for covering the open top of an aquarium comprising juxtaposed front and rear boxlike structures, the rear being in the form of a tray adapted for positioning on top of an aquarium toward the rear thereof and the front housing means for illuminating the aquarium, the boxlike structures being connected together by link members the ends of which are pivotally secured to the boxlike structures such that the front boxlike structure can be moved from a position in which it is in front of the rear structure and on top of the aquarium and pivoted with respect to and placed upon the rear boxlike structure in a first attitude wherein at least a portion of the light from the illuminating means if able to illuminate the aquarium, which attitude also provides access to the aquarium, or in a second more rearward attitude wherein access to the aquarium is greater, or in a third attitude wherein the front boxlike section is rotated for access to the illuminating means.
Claim 2
Dependent Claim
169 words
A hood for covering the open top of an aquarium comprising juxtaposed front and rear boxlike structures, the rear being in the form of a tray adapted for positioning on top of an aquarium toward the rear thereof and the front housing means for illuminating the aquarium, the boxlike structures being connected together by link members the ends of which are pivotally secured to the boxlike structures such that the front boxlike structure can be moved from a position in which it is in front of the rear structure and on top of the aquarium and pivoted with respect to and placed upon the rear boxlike structure in a first attitude wherein at least a portion of the light from the illuminating means if able to illuminate the aquarium, which attitude also provides access to the aquarium, or in a second more rearward attitude wherein access to the aquarium is greater, or in a third attitude wherein the front boxlike section is rotated for access to the illuminating means.
Claim 3
Dependent Claim
31 words
The hood of claim 1 wherein the rear boxlike structure contains a water-circulating pump having an inlet in communication with the aquarium, an air pump, and a thermostatically controlled water heater.
Claim 4
Dependent Claim
32 words
The hood of claim 2 in combination with a gravel bed filter unit, the water space beneath the gravel bed filter unit being in communication with the inlet of the water-circulating pump.
Claim 5
Dependent Claim
33 words
The hood of claim 4 in combination with a gravel bed filter unit wherein the water space beneath the gravel bed filter unit is in communication with the inlet of the water-circulating pump.
Claim 6
Dependent Claim
15 words
The hood of claim 1 wherein the front boxlike structure includes a long-wave ultraviolet lamp.
Claim 7
Dependent Claim
23 words
The hood of claim 2 wherein the rear boxlike structure also includes a short-wave ultraviolet lamp in the path of the circulated water.
Claim 8
Dependent Claim
60 words
The hood of claim 2 wherein at least a portion of the water circulated by the water-circulating pump is returned to the aquarium through an organic-material-removal apparatus which includes a vertical tube through which the returning water flows downwardly against the rising cloud of air bubbles created in a lower portion of the tube with air from the air pump.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |