Patent US3592765A successfully refreshed from Google Patents.
US3592765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aquarium filter
Assignee: Individual
•
Filing: 1969-08-04
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Granted: 1971-07-13
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Expires: 1989-08-04
Abstract
Abstract THIS INVENTION IS DIRECTED TO AN AQUARIUM FILTER THAT INCLUDES A PLURAL SECTION OUTER SHELL IN WHICH THE SECTIONS ARE READILY SEPARABLE, A SUBMERSIBLE ELECTRIC MOTOR AND PUMP POSITIONED IN THE SHELL BASE, AND A READILY REMOVABLE FILTER CARTRIDGE UNIT SUPPORT BY THE PUMP. ADAPTORS ARE PROVIDED FOR VACUUM CLEANING THE INTERIOR OF AN ASSOCIATED AQUARIUM TANK, OR FOR EMPTYING THE TANK OR FOR DISCHARGING THE FILTERED WATER AS A FOUNTAIN INTO THE TANK. THE WATER MAY BE ACERATED DURING ITS PASSAGE THROUGH T HE UNIT.
Inventors
- 👤 Juan E Rodriguez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:21
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |