Patent US3131043A successfully refreshed from Google Patents.
US3131043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas scrubber
Assignee: Aerotec Industries Inc
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Filing: 1961-02-24
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Granted: 1964-04-28
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Expires: 1981-02-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Burdock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:08
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/24; B04C5/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
APPARATUS FOR SEPARATING SUSPENDED PARTICLES FROM GAS UNDER PRESSURE WHICH COMPRISES AN UPRIGHT CYLINDRICAL CONTAINER, AN UPPER SEPARATING UNIT IN SAID CONTAINER COMPRISING AN UPPER TUBE SHEET, A LOWER TUBE SHEET AND A COLLECTING HOPPER BELOW SAID LOWER TUBE SHEET, EACH OF SAID TUBE SHEETS AND HOPPER SPANNING THE SPACE IN SAID CONTAINER AND SEALED TO THE CYLINDRICAL WALL OF SAID CONTAINER TO FORM A PLENUM CHAMBER BETWEEN SAID TUBE SHEETS, AN OFF-TAKE CHAMBER ABOVE SAID UPPER TUBE SHEET AND COLLECTING CHAMBER BETWEEN SAID LOWER TUBE SHEET AND SAID HOPPER, AND A LOWER SEPARATING UNIT COMPRISING AN UPPER TUBE SHEET BELOW SAID COLLECTING HOPPER SPANNING THE AREA WITHIN SAID CONTAINER AND SEALED FLUIDTIGHTLY TO THE CYLINDRICAL WALL OF SAID COTAINER TO FORM AN OFF-TAKE CHAMBER BETWEEN SAID UPPER TUBE SHEET OF SAID LOWER SEPARATING UNIT AND SAID HOPPER, AND A LOWER TUBE SHEET BELOW SAID UPPER TUBE SHEET SPANNING THE AREA WITHIN SAID CONTAINER AND SEALED FLUID-TIGHTLY TO THE CYLINDRICAL WALL OF SAID CONTAINER TO FORM A PLENUM CHAMBER BETWEEN SAID TUBE AND A COLLECTING CHAMBER BELOW SAID LOWER TUBE SHEET, CENTRIFUGAL TUBES MOUNTED
Claim 2
Dependent Claim
184 words
APPARATUS FOR SEPARATING SUSPENDED PARTICLES FROM GAS UNDER PRESSURE WHICH COMPRISES AN UPRIGHT CYLINDRICAL CONTAINER, AN UPPER SEPARATING UNIT IN SAID CONTAINER COMPRISING AN UPPER TUBE SHEET, A LOWER TUBE SHEET AND A COLLECTING HOPPER BELOW SAID LOWER TUBE SHEET, EACH OF SAID TUBE SHEETS AND HOPPER SPANNING THE SPACE IN SAID CONTAINER AND SEALED TO THE CYLINDRICAL WALL OF SAID CONTAINER TO FORM A PLENUM CHAMBER BETWEEN SAID TUBE SHEETS, AN OFF-TAKE CHAMBER ABOVE SAID UPPER TUBE SHEET AND COLLECTING CHAMBER BETWEEN SAID LOWER TUBE SHEET AND SAID HOPPER, AND A LOWER SEPARATING UNIT COMPRISING AN UPPER TUBE SHEET BELOW SAID COLLECTING HOPPER SPANNING THE AREA WITHIN SAID CONTAINER AND SEALED FLUIDTIGHTLY TO THE CYLINDRICAL WALL OF SAID COTAINER TO FORM AN OFF-TAKE CHAMBER BETWEEN SAID UPPER TUBE SHEET OF SAID LOWER SEPARATING UNIT AND SAID HOPPER, AND A LOWER TUBE SHEET BELOW SAID UPPER TUBE SHEET SPANNING THE AREA WITHIN SAID CONTAINER AND SEALED FLUID-TIGHTLY TO THE CYLINDRICAL WALL OF SAID CONTAINER TO FORM A PLENUM CHAMBER BETWEEN SAID TUBE AND A COLLECTING CHAMBER BELOW SAID LOWER TUBE SHEET, CENTRIFUGAL TUBES MOUNTED
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |