Patent US2777299A successfully refreshed from Google Patents.
US2777299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separating gas mixtures
Assignee: MW Kellogg Co
•
Filing: 1953-04-13
•
Granted: 1957-01-15
•
Expires: 1973-04-13
Abstract
No abstract record available.
Inventors
- 👤 George T Skaperdas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:08
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/04; Y; Y10; Y10S; Y10S62/00; Y10S62/902; Y10S62/908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
AN APPARATUS FOR SEPARATING A GAS MIXTURE INTO OUTPUT COMPONENTS INCLUDING IN COMBINATION A COLD-EXCHANGER CONSISTING OF AT LEAST TWO FLUID CONDUITS CONNECTED IN OPERATIVE COLD EXCHANGE RELATION TO EFFECT COOLING OF A COMPRESSED GAS MIXTURE BY COUNTERCURRENT COLD EXCHANGE WITH AT LEAST ONE OF THE COLD EXPANDED OUTPUT COMPONENTS OF THE SEPARATION, MEANS FOR CONDUCTING A COMPRESSED GAS MIXTURE TO EITHER OF SAID FLUID CONDUITS, MEANS FOR SEPARATING AND REMOVING A PORTION OF THE COMPRESSED GAS MIXTURE FROM SAID COLD-EXCHANGER AT A POINT INTERMEDIATE THE ENDS THEREOF, A FLUID MIXING CHAMBER, A FLUID CONDUIT CONNECTING BETWEEN SAID MEANS FOR SEPARATING AND REMOVING A PORTION OF THE COMPRESSED GAS MIXTURE AND SAID MIXING CHAMBER, ANOTHER FLUID CONDUIT FOR CONDUCTING THE REMAINDER OF SAID GAS MIXTURE FROM THE COLD END OF SAID COLD-EXCHANGER TO SAID MIXING CHAMBER, MEANS FOR REMOVING SOLID PRECIPITATED VAPORS FROM SAID GAS MIXTURE, A FLUID TRANSFER MEANS CONNECTING IN OPERATIVE RELATION SAID MIXING CHAMBER AND SAID SOLIDS REMOVAL MEANS, A HEAT EXPANDING MEANS, A FLUID CONDUIT CONNECTING SAID GAS EXPANDING MEANS AND SAID SOLIDS REMOVAL MEANS, A HEAT EXCHANGER DISPOSED IN SAID LAST-MENTIONED FLUID CONDUIT AND CONNECTED IN OPERATIVE RELATION WITH SAID FLUID CONDUIT CONNECTING BETWEEN SAID MEANS FOR SEPARATING AND REMOV-
Claim 2
Independent Claim
205 words
AN APPARATUS FOR SEPARATING A GAS MIXTURE INTO OUTPUT COMPONENTS INCLUDING IN COMBINATION A COLD-EXCHANGER CONSISTING OF AT LEAST TWO FLUID CONDUITS CONNECTED IN OPERATIVE COLD EXCHANGE RELATION TO EFFECT COOLING OF A COMPRESSED GAS MIXTURE BY COUNTERCURRENT COLD EXCHANGE WITH AT LEAST ONE OF THE COLD EXPANDED OUTPUT COMPONENTS OF THE SEPARATION, MEANS FOR CONDUCTING A COMPRESSED GAS MIXTURE TO EITHER OF SAID FLUID CONDUITS, MEANS FOR SEPARATING AND REMOVING A PORTION OF THE COMPRESSED GAS MIXTURE FROM SAID COLD-EXCHANGER AT A POINT INTERMEDIATE THE ENDS THEREOF, A FLUID MIXING CHAMBER, A FLUID CONDUIT CONNECTING BETWEEN SAID MEANS FOR SEPARATING AND REMOVING A PORTION OF THE COMPRESSED GAS MIXTURE AND SAID MIXING CHAMBER, ANOTHER FLUID CONDUIT FOR CONDUCTING THE REMAINDER OF SAID GAS MIXTURE FROM THE COLD END OF SAID COLD-EXCHANGER TO SAID MIXING CHAMBER, MEANS FOR REMOVING SOLID PRECIPITATED VAPORS FROM SAID GAS MIXTURE, A FLUID TRANSFER MEANS CONNECTING IN OPERATIVE RELATION SAID MIXING CHAMBER AND SAID SOLIDS REMOVAL MEANS, A HEAT EXPANDING MEANS, A FLUID CONDUIT CONNECTING SAID GAS EXPANDING MEANS AND SAID SOLIDS REMOVAL MEANS, A HEAT EXCHANGER DISPOSED IN SAID LAST-MENTIONED FLUID CONDUIT AND CONNECTED IN OPERATIVE RELATION WITH SAID FLUID CONDUIT CONNECTING BETWEEN SAID MEANS FOR SEPARATING AND REMOV-
References Cited (Backward Citations)
US2460859A
Cited
US2579498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |