US3342703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and piston means for removing precipitate from a closed chamber
Assignee: Individual
•
Filing: 1963-11-29
•
Granted: 1967-09-19
•
Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 John M Leach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:42
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; Y; Y10; Y10S; Y10S159/00; Y10S159/13; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE PROCESS OF REMOVING UNDESIRED SUBSTANCES FROM A MATERIAL WHICH SUBSTANCES PRECIPITATE UPON CHANGE IN TEMPERATURE OF THE VEHICULAR MATERIAL COMPRISING DIRECTING THE MATERIAL INTO A CLOSED CHAMBER ALTERNATELY ON OPPOSITE SIDES OF A MOVABLE PARTITION WALL WITHIN THE CHAMBER, CHANGING THE TEMPERATURE OF THE MATERIAL WITHIN THE CHAMBER TO PRECIPITATE THE MATERIAL ONTO A SURFACE ON THE INTERIOR OF THE CHAMBER, UTILIZING THE PRESSURE OF THE MATERIAL ENTERING THE CHAMBER TO MOVE THE MOVABLE WALL IN WIPING RELATION TO THE SURFACE TO REMOVE THE PRECIPITATE THEREFROM AND DEPOSIT THE CONCENTRATED PRECIPITATE IN A REMOVAL AREA COMPLETELY ISOLATED FROM THE PRECIPITATION
Claim 2
Dependent Claim
101 words
THE PROCESS OF REMOVING UNDESIRED SUBSTANCES FROM A MATERIAL WHICH SUBSTANCES PRECIPITATE UPON CHANGE IN TEMPERATURE OF THE VEHICULAR MATERIAL COMPRISING DIRECTING THE MATERIAL INTO A CLOSED CHAMBER ALTERNATELY ON OPPOSITE SIDES OF A MOVABLE PARTITION WALL WITHIN THE CHAMBER, CHANGING THE TEMPERATURE OF THE MATERIAL WITHIN THE CHAMBER TO PRECIPITATE THE MATERIAL ONTO A SURFACE ON THE INTERIOR OF THE CHAMBER, UTILIZING THE PRESSURE OF THE MATERIAL ENTERING THE CHAMBER TO MOVE THE MOVABLE WALL IN WIPING RELATION TO THE SURFACE TO REMOVE THE PRECIPITATE THEREFROM AND DEPOSIT THE CONCENTRATED PRECIPITATE IN A REMOVAL AREA COMPLETELY ISOLATED FROM THE PRECIPITATION
References Cited (Backward Citations)
US2862548A
Cited
US2971897A
Cited
US3026261A
Cited
US2995450A
Cited
US3163587A
Cited
US2995451A
Cited
US3245460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |