US2545938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent extraction apparatus
Assignee: Allis Chalmers Corp
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Filing: 1945-05-05
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Granted: 1951-03-20
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Expires: 1965-05-05
Abstract
No abstract record available.
Inventors
- 👤 Charles W Bilbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:56
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A DEVICE FOR TREATING SOLIDS WITH LIQUID, AN UPWARDLY EXTENDING CONDUIT HAVING AN INLET FOR SOLIDS AND AN OUTLETS FOR LIQUIDS AT A LOWER PORTION THEREOF, AN ELEVATING CONVEYER IN SAID CONDUIT FOR MOVING SOLIDS UPWARDLY FROM SAID SOLIDS INLET, A FLUID SUPPLY CONNECTION OPENING INTO AN UPPER PORTION OF SAID CONDUIT, A PAIR OF CHESTS DISPOSED ON OPPOSITE SIDES OF SAID CONDUIT AT AN UPPER PORTION THEREOF, EACH SAID CHEST BEING CONNECTED WITH THE INTERIOR OF SAID CONDUIT THROUGH A PORT FOR RECEIVING SOLIDS AND FLUID FROM SAID CONVEYER, A RESTRICTED SOLIDS OUTLET OPENING THROUGH A WALL OF EACH SAID CHEST BELOW THE LEVEL OF SAID PORTS, AND FLUID EXPRESSING COMPRESSED SOLIDS EJECTING MEANS IN EACH SAID CHEST AND BELOW THE LEVEL OF SAID PORTS FOR EJECTING COM-
Claim 2
Dependent Claim
130 words
IN A DEVICE FOR TREATING SOLIDS WITH LIQUID, AN UPWARDLY EXTENDING CONDUIT HAVING AN INLET FOR SOLIDS AND AN OUTLETS FOR LIQUIDS AT A LOWER PORTION THEREOF, AN ELEVATING CONVEYER IN SAID CONDUIT FOR MOVING SOLIDS UPWARDLY FROM SAID SOLIDS INLET, A FLUID SUPPLY CONNECTION OPENING INTO AN UPPER PORTION OF SAID CONDUIT, A PAIR OF CHESTS DISPOSED ON OPPOSITE SIDES OF SAID CONDUIT AT AN UPPER PORTION THEREOF, EACH SAID CHEST BEING CONNECTED WITH THE INTERIOR OF SAID CONDUIT THROUGH A PORT FOR RECEIVING SOLIDS AND FLUID FROM SAID CONVEYER, A RESTRICTED SOLIDS OUTLET OPENING THROUGH A WALL OF EACH SAID CHEST BELOW THE LEVEL OF SAID PORTS, AND FLUID EXPRESSING COMPRESSED SOLIDS EJECTING MEANS IN EACH SAID CHEST AND BELOW THE LEVEL OF SAID PORTS FOR EJECTING COM-
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) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |