Patent US2734592A successfully refreshed from Google Patents.
US2734592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of gases
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
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Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:49
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/22; B01D63/00; B01D63/06; B01D2313/00; B01D2313/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A GAS SEPARATING APPARATUS COMPRISING A CHAMBER, A PERMEABLE WALL TUBULAR MEMBER EXTENDING CENTRALLY THROUGH THE CHAMBER, GAS INLET AND OUTLET MEANS AT OPPOSITE ENDS OF SAID MEMBER, A PLURALITY OF SMALLER PERMEABLE WALL TUBULAR MEMBERS WITHIN THE CHAMBER AROUND THE FIRST-MENTIONED TUBULAR MEMBER, A GAS COLLECTING HEADER AT AN END PORTIO OF THE CHAMBER AND COMMUNICATING WITH SAID SMALLER MEMBERS BUT CLOSED FROM COMMUNICATION WITH THE FIRST-MENTIONED TUBULAR MEMBER, MEANS FOR REMVOING PERMEATED GAS FROM SAID HEADER, AND SEPARATE GAS WITHDRAWAL MEANS FROM THE SPACE SURROUNDING SAID FIRST-MENTIONED TUBULAR MEMBER FOR REMOVING FROM THE CHAMBER THE GASES THAT HAVE NOT PERMEATED SAID SMALLER TUBULAR MEMBERS.
Claim 2
Dependent Claim
106 words
A GAS SEPARATING APPARATUS COMPRISING A CHAMBER, A PERMEABLE WALL TUBULAR MEMBER EXTENDING CENTRALLY THROUGH THE CHAMBER, GAS INLET AND OUTLET MEANS AT OPPOSITE ENDS OF SAID MEMBER, A PLURALITY OF SMALLER PERMEABLE WALL TUBULAR MEMBERS WITHIN THE CHAMBER AROUND THE FIRST-MENTIONED TUBULAR MEMBER, A GAS COLLECTING HEADER AT AN END PORTIO OF THE CHAMBER AND COMMUNICATING WITH SAID SMALLER MEMBERS BUT CLOSED FROM COMMUNICATION WITH THE FIRST-MENTIONED TUBULAR MEMBER, MEANS FOR REMVOING PERMEATED GAS FROM SAID HEADER, AND SEPARATE GAS WITHDRAWAL MEANS FROM THE SPACE SURROUNDING SAID FIRST-MENTIONED TUBULAR MEMBER FOR REMOVING FROM THE CHAMBER THE GASES THAT HAVE NOT PERMEATED SAID SMALLER TUBULAR MEMBERS.
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) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |