US3249533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for cleaning water to remove foreign particles such as paint
Assignee: Individual
•
Filing: 1962-01-17
•
Granted: 1966-05-03
•
Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 Alexander W Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:18
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD FOR CLEANING WATER TO REMOVE FOREIGN PARTICLES USCH AS PAINT, WHICH COMPRISES AERATING THE WATER AS IT ENTERS A TANK ALONG ONE SIDE WALL THEREOF SO THAT THE PARTICLES OF FOREIGN MATTER FLOAT ON THE SURFACE OF THE WATER IN THE TANK TOWARD AN OPPOSITE SIDE WALL, BUILDING UP A CARPET OF AERATED PARTICLES AS A SCUM ALONG THE OPPOSITE SIDE WALL IN A DIRECTION PARALLEL TO THIS WALL AND EXTENDING TO AN END WALL PERPENDICULAR TO THE SIDE WALLS, AND DRAWING THE CARPET OF SCUM ALONG THE OPPOSITE WALL AND OVER THE END WALL TO REMOVE IT FROM THE TANK.
Claim 2
Independent Claim
103 words
A METHOD FOR CLEANING WATER TO REMOVE FOREIGN PARTICLES USCH AS PAINT, WHICH COMPRISES AERATING THE WATER AS IT ENTERS A TANK ALONG ONE SIDE WALL THEREOF SO THAT THE PARTICLES OF FOREIGN MATTER FLOAT ON THE SURFACE OF THE WATER IN THE TANK TOWARD AN OPPOSITE SIDE WALL, BUILDING UP A CARPET OF AERATED PARTICLES AS A SCUM ALONG THE OPPOSITE SIDE WALL IN A DIRECTION PARALLEL TO THIS WALL AND EXTENDING TO AN END WALL PERPENDICULAR TO THE SIDE WALLS, AND DRAWING THE CARPET OF SCUM ALONG THE OPPOSITE WALL AND OVER THE END WALL TO REMOVE IT FROM THE TANK.
References Cited (Backward Citations)
US2920763A
Cited
US2086514A
Cited
US2370974A
Cited
GB686540A
Cited
US2519606A
Cited
US2628190A
Cited
US2880876A
Cited
US2982723A
Cited
US3015396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |