US3323292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fractionating gaseous mixtures
Assignee: DIELECTRIC PRODUCTS ENGINEERIN
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Filing: 1964-12-01
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Granted: 1967-06-06
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Expires: 1984-12-01
Abstract
No abstract record available.
Inventors
- 👤 Charles D Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:18
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/0407; B01D53/0423; B01D53/0454; B01D53/26; B01D53/261; B01D2253/00; B01D2253/10; B01D2253/106; B01D2257/00; B01D2257/80; B01D2259/00; B01D2259/40; B01D2259/40003; B01D2259/40083; B01D2259/40086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
APPARATUS FOR THE ABSORPTIVE FRACTIONATION OF A GASEOUS MIXTURE COMPRISING AN INLET CONDUIT, AN OUTLET CONDUIT, TWO ABSORPTION CHAMBERS, EACH SAID CHAMBER ADAPTED TO CONTAIN MATERIAL FOR ABSORBING A COMPONENT OF SAID GASEOUS MIXTURE AND EACH SAID CHAMBER HAVING AN INLET END AND AN OUTLET END, A CONDUIT CONNECTED TO THE INLET END OF EACH CHAMBER ARRANGED FOR COMMUNICATION WITH A SYSTEM EXHAUST, CONTROL VALVE MEANS IN EACH SAID CONDUIT, CONTROL VALVE OPERATOR MEANS FOR ALTERNATELY OPENING SAID CONTROL VALVES, FIRST FLOW DIRECTING VALVE MEANS CONNECTED BETWEEN SAID INLET CONDUIT AND THE INLET ENDS OF SAID TWO CHAMBERS FOR SELECTIVELY CLOSING THE PATH OF GAS TRANSFER BETWEEN SAID INLET CONDUIT AND SAID INLET ENDS IN RESPONSE TO THE FLUID FLOW PRODUCED BY THE CONDITION OF SAID CONTROL VALVE MEANS, AND SECOND FLOW DIRECTING VALVE MEANS DISPOSED IN A HOUSING CONNECTED BETWEEN THE OUTLET ENDS OF SAID TWO CHAMBERS AND SAID OUTLET CONDUIT FOR SELECTIVELY CLOSING THE PATH OF GAS TRANSFER BETWEEN SAID OUTLET ENDS AND SAID OUTLET CONDUIT IN RESPONSE TO THE FLUID FLOW PRODUCED BY THE CONDITION OF SAID CONTROL VALVE MEANS, THE HOUSING OF SAID SECOND FLOW DIRECTING VALVE MEANS INCLUDING A CONTINUOUSLY OPEN ORIFICE PROVIDING A FLOW
Claim 2
Dependent Claim
200 words
APPARATUS FOR THE ABSORPTIVE FRACTIONATION OF A GASEOUS MIXTURE COMPRISING AN INLET CONDUIT, AN OUTLET CONDUIT, TWO ABSORPTION CHAMBERS, EACH SAID CHAMBER ADAPTED TO CONTAIN MATERIAL FOR ABSORBING A COMPONENT OF SAID GASEOUS MIXTURE AND EACH SAID CHAMBER HAVING AN INLET END AND AN OUTLET END, A CONDUIT CONNECTED TO THE INLET END OF EACH CHAMBER ARRANGED FOR COMMUNICATION WITH A SYSTEM EXHAUST, CONTROL VALVE MEANS IN EACH SAID CONDUIT, CONTROL VALVE OPERATOR MEANS FOR ALTERNATELY OPENING SAID CONTROL VALVES, FIRST FLOW DIRECTING VALVE MEANS CONNECTED BETWEEN SAID INLET CONDUIT AND THE INLET ENDS OF SAID TWO CHAMBERS FOR SELECTIVELY CLOSING THE PATH OF GAS TRANSFER BETWEEN SAID INLET CONDUIT AND SAID INLET ENDS IN RESPONSE TO THE FLUID FLOW PRODUCED BY THE CONDITION OF SAID CONTROL VALVE MEANS, AND SECOND FLOW DIRECTING VALVE MEANS DISPOSED IN A HOUSING CONNECTED BETWEEN THE OUTLET ENDS OF SAID TWO CHAMBERS AND SAID OUTLET CONDUIT FOR SELECTIVELY CLOSING THE PATH OF GAS TRANSFER BETWEEN SAID OUTLET ENDS AND SAID OUTLET CONDUIT IN RESPONSE TO THE FLUID FLOW PRODUCED BY THE CONDITION OF SAID CONTROL VALVE MEANS, THE HOUSING OF SAID SECOND FLOW DIRECTING VALVE MEANS INCLUDING A CONTINUOUSLY OPEN ORIFICE PROVIDING A FLOW
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |