Patent US2845070A successfully refreshed from Google Patents.
US3249226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for heavy media separation
Assignee: Individual
•
Filing: 1961-10-05
•
Granted: 1966-05-03
•
Expires: 1981-10-05
Abstract
No abstract record available.
Inventors
- 👤 Orris L Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:12
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/28; B03B5/30; B03B5/36; B03B5/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
APPARATUS FOR SEPARATION OF GRANULAR SOLIDS OF DIFFERENT SPECIFIC GRAVITIES COMPRISING, IN COMBINATION: A TANK CONTAINING A LIQUID SUSPENSION OF SELECTED DENSITY FEED DELIVERY MEANS ADJACENT ONE EDGE OF SAID TANK, SOLID AND LIQUID OVERFLOW MEANS FROM SAID TANK OPPOSITE SAID FEED DELIVERY, A SLURRY RECOVERY VESSEL RECEIVING FLUENT FROM SAID TANK OVERFLOW, MEANS CIRCULATING FLUENT FROM SAID RECOVERY VESSEL TO THE LOWER PORTION OF SAID TANK, HEAVY SOLIDS DISCHARGE OUTLET MEANS IN THE BOTTOM OF SAID TANK; A SOLIDS REJECT PUMP DRAWING FROM THE TANK BOTTOM OUTLET AND DELIVERING TO AN ELEVATED SOLIDS COLLECTOR, AN ELEVATED LIQUID RECOVERY CONTAINER BENEATH AND RECEIVING LIQUID FROM THE ELEVATED SOLIDS COLLECTOR, SAID RECOVERY CONTAINER CONTINUOUSLY CONFINING LIQUID TO A LEVEL ABOVE THE
Claim 2
Dependent Claim
120 words
APPARATUS FOR SEPARATION OF GRANULAR SOLIDS OF DIFFERENT SPECIFIC GRAVITIES COMPRISING, IN COMBINATION: A TANK CONTAINING A LIQUID SUSPENSION OF SELECTED DENSITY FEED DELIVERY MEANS ADJACENT ONE EDGE OF SAID TANK, SOLID AND LIQUID OVERFLOW MEANS FROM SAID TANK OPPOSITE SAID FEED DELIVERY, A SLURRY RECOVERY VESSEL RECEIVING FLUENT FROM SAID TANK OVERFLOW, MEANS CIRCULATING FLUENT FROM SAID RECOVERY VESSEL TO THE LOWER PORTION OF SAID TANK, HEAVY SOLIDS DISCHARGE OUTLET MEANS IN THE BOTTOM OF SAID TANK; A SOLIDS REJECT PUMP DRAWING FROM THE TANK BOTTOM OUTLET AND DELIVERING TO AN ELEVATED SOLIDS COLLECTOR, AN ELEVATED LIQUID RECOVERY CONTAINER BENEATH AND RECEIVING LIQUID FROM THE ELEVATED SOLIDS COLLECTOR, SAID RECOVERY CONTAINER CONTINUOUSLY CONFINING LIQUID TO A LEVEL ABOVE THE
References Cited (Backward Citations)
BE541396A
Cited
US2151007A
Cited
US2533074A
Cited
US2821303A
Cited
US2775346A
Cited
US2833411A
Cited
US2964179A
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 |