US3151069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aquarium device
Assignee: Halvin Products Co Inc
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Filing: 1961-05-10
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Granted: 1964-09-29
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Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 Halpert Abby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:42
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
AN AQUARIUM FILTER COMPRISING A CYLINDRICAL HOUSING HAVING A BOTTOM WALL SECURED THERETO, A DIVIDER TUBE FIXEDLY SECURED TO SAID BOTTOM WALL WITH THE INNER PERIPHERAL SURFACE OF SAID DIVIDER TUBE BEING SUBSTANTIALLY COEXTENSIVE WITH AN APERATURE IN SAID BOTTOM WALL, AN OUTPUT TUBE EXTENDING THROUGH SAID APERTURE INTO SAID DIVIDER TUBE, SAID OUTPUT TUBE AND DIVIDER HAVING A FRICTION FIT THEREBETWEEN FOR RELATIVE AXIAL MOVEMENT BETWEEN SAID TUBES, THE UPPER END OF SAID OUTPUT TUBE BEING LOWER THAN THE UPPER END OF SAID DIVIDER TUBE, A CAP CLOSING THE UPPER END OF SAID HOUSING, THE UPPER END OF SAID DIVIDER TUBE BEING SPACED BELOW A CAP ON SAID HOUSING, A VENT HOLE IN SAID CAP FOR ALLOWING AIR TO ESCAPE FROM WITHIN SAID HOUSING, THE POSITION OF SAID VENT HOLE BEING OFFSET WITH RESPECT TO THE LONGITUDINAL AXIS OF SAID HOUSING, FILTER MATERIAL DISPOSED WITHIN SAID HOUSING BETWEEN THE OUTER PERIPHERAL SURFACE OF SAID DIVIDER TUBE AND THE INNER PERIPHERAL SURFACE OF SAID HOUSING, A PLURALITY OF HOLES IN SAID BOTTOM WALL, THE LOWER END OF SAID OUTPUT TUBE BEING FIXEDLY SECURED TO A CUP-SHAPED MEMBER, AN AIR INLET TUBE SECURED TO SAID CUP-SHAPED MEMBER, AND MEANS FOR SUPPORTING SAID CUP-SHAPED MEMBER SPACED FROM A BOTTOM WALL OF AN AQUARIUM TANK.
Claim 2
Dependent Claim
212 words
AN AQUARIUM FILTER COMPRISING A CYLINDRICAL HOUSING HAVING A BOTTOM WALL SECURED THERETO, A DIVIDER TUBE FIXEDLY SECURED TO SAID BOTTOM WALL WITH THE INNER PERIPHERAL SURFACE OF SAID DIVIDER TUBE BEING SUBSTANTIALLY COEXTENSIVE WITH AN APERATURE IN SAID BOTTOM WALL, AN OUTPUT TUBE EXTENDING THROUGH SAID APERTURE INTO SAID DIVIDER TUBE, SAID OUTPUT TUBE AND DIVIDER HAVING A FRICTION FIT THEREBETWEEN FOR RELATIVE AXIAL MOVEMENT BETWEEN SAID TUBES, THE UPPER END OF SAID OUTPUT TUBE BEING LOWER THAN THE UPPER END OF SAID DIVIDER TUBE, A CAP CLOSING THE UPPER END OF SAID HOUSING, THE UPPER END OF SAID DIVIDER TUBE BEING SPACED BELOW A CAP ON SAID HOUSING, A VENT HOLE IN SAID CAP FOR ALLOWING AIR TO ESCAPE FROM WITHIN SAID HOUSING, THE POSITION OF SAID VENT HOLE BEING OFFSET WITH RESPECT TO THE LONGITUDINAL AXIS OF SAID HOUSING, FILTER MATERIAL DISPOSED WITHIN SAID HOUSING BETWEEN THE OUTER PERIPHERAL SURFACE OF SAID DIVIDER TUBE AND THE INNER PERIPHERAL SURFACE OF SAID HOUSING, A PLURALITY OF HOLES IN SAID BOTTOM WALL, THE LOWER END OF SAID OUTPUT TUBE BEING FIXEDLY SECURED TO A CUP-SHAPED MEMBER, AN AIR INLET TUBE SECURED TO SAID CUP-SHAPED MEMBER, AND MEANS FOR SUPPORTING SAID CUP-SHAPED MEMBER SPACED FROM A BOTTOM WALL OF AN AQUARIUM TANK.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |