Patent US4646786A successfully refreshed from Google Patents.
Patent US3759223A successfully refreshed from Google Patents.
US3759223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aquariums
Assignee: Individual
•
Filing: 1971-05-11
•
Granted: 1973-09-18
•
Expires: 1991-05-11
Abstract
Abstract A fish aquarium is provided which is of unique construction and arrangement so that the water used in the bottom of the aquarium, including any sediment therein, can be readily drained from the aquarium and replaced with fresh water. The aquarium consists of an enclosure having four glass walls and a top, if necessary, which can be opened or closed. The bottom of the aquarium is recessed to form a septic sump for collection of sediments, and the like. A filter is positioned above the recessed bottom of the aquarium and stones are positioned on top of the filter. The sediments in the water settle to the bottom of the base, that is, in the recessed bottom after passing through the stones and filter. The sediments and old water are periodically withdrawn from the fish aquarium through a drain spigot system connected to the septic sump through the bottom of the sides below the gravel level. The construction of the invention can apply equally well to swimming pools and the like.
Inventors
- 👤 Andrea R D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:30
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/045
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
181 words
A marine aquarium for containing a single body of liquid, comprising, structure defining an enclosure for containing the single body of liquid having side walls and a top, if necessary, a unitary base with a recessed bottom having a base portion and generally upwardly extending side walls thereby forming a septic sump and an integral ledge extending laterally from the top of said base side walls and formed completely around the periphery thereof, said enclosure side walls extending directly upwardly from and secured to the peripheral edge of said ledge, said side walls of both said enclosure and base forming the exterior and interior side walls of the aquarium and said base portion of said base forming exterior and interior base surfaces of the aquarium, filter means positioned and supported directly on said ledge, a plurality members positioned on said filter means, and conduit means communicating with the interior base surface and extending through the side wall of the base to the exterior thereof for draining of said septic sump from the bottom of the single body of liquid and sediments.
Claim 2
Dependent Claim
181 words
A marine aquarium for containing a single body of liquid, comprising, structure defining an enclosure for containing the single body of liquid having side walls and a top, if necessary, a unitary base with a recessed bottom having a base portion and generally upwardly extending side walls thereby forming a septic sump and an integral ledge extending laterally from the top of said base side walls and formed completely around the periphery thereof, said enclosure side walls extending directly upwardly from and secured to the peripheral edge of said ledge, said side walls of both said enclosure and base forming the exterior and interior side walls of the aquarium and said base portion of said base forming exterior and interior base surfaces of the aquarium, filter means positioned and supported directly on said ledge, a plurality members positioned on said filter means, and conduit means communicating with the interior base surface and extending through the side wall of the base to the exterior thereof for draining of said septic sump from the bottom of the single body of liquid and sediments.
Claim 3
Dependent Claim
14 words
A marine aquarium as recited in claim 1, wherein said filter members comprise stones.
Claim 4
Dependent Claim
20 words
A marine aquarium as recited in claim 2, wherein said filter means retains said Stones above said septic sump recess.
Claim 5
Dependent Claim
180 words
A container for containing a single body of liquid, comprising, structure defining an enclosure for containing the single body of liquid having side walls and a top, if necessary, a base with a recessed bottom having a base portion and generally upwardly extending side walls thereby forming a septic sump, said side walls of said enclosure extending upwardly from the side walls of said base, said side walls of said enclosure and said base forming the exterior and interior side walls of the container and said base portion of said base forming exterior and interior base surfaces of the container, filter means positioned on top of said septic sump, a plurality of filter members positioned on said filter means, and conduit means communicating with the interior base surface and extending through the side wall of the base to the exterior thereof for draining of said septic sump from the bottom of the single body of liquid and sediments at one side of said base below the line of the filter members and in line with the bottom of said base.
Claim 6
Dependent Claim
180 words
A container for containing a single body of liquid, comprising, structure defining an enclosure for containing the single body of liquid having side walls and a top, if necessary, a base with a recessed bottom having a base portion and generally upwardly extending side walls thereby forming a septic sump, said side walls of said enclosure extending upwardly from the side walls of said base, said side walls of said enclosure and said base forming the exterior and interior side walls of the container and said base portion of said base forming exterior and interior base surfaces of the container, filter means positioned on top of said septic sump, a plurality of filter members positioned on said filter means, and conduit means communicating with the interior base surface and extending through the side wall of the base to the exterior thereof for draining of said septic sump from the bottom of the single body of liquid and sediments at one side of said base below the line of the filter members and in line with the bottom of said base.
Claim 7
Dependent Claim
35 words
A marine aquarium as recited in claim 1, wherein said conduit means includes a drain spigot located at the exterior side wall of base to permit selective drainage of the body of liquid and sediments.
References Cited (Backward Citations)
US2594474A
Cited
US3122126A
Cited
US3179084A
Cited
US3234905A
Cited
US3418973A
Cited
US3465718A
Cited
US3557753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |