Patent US3392510A successfully refreshed from Google Patents.
US3392510A
Expired / Lapsed
US
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Hydrogen diffusion apparatus
Assignee: Engelhard Industries Inc
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Filing: 1965-04-01
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Granted: 1968-07-16
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Expires: 1985-04-01
Abstract
No abstract record available.
Inventors
- 👤 Jr John H Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:32
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/50; C01B3/501; C01B2203/00; C01B2203/04; C01B2203/0405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A HYDROGEN PURIFICATION UNIT COMPRISING AN OUTER VESSEL, A PLURALITY OF THIN-WALLED PALLADIUM-CONTAINING DIFFUSION TUBES SUPPORTED AT EACH END BY A TUBE SHEET, EACH OF SAID TUBE SHEETS COMPRISING ONE WALL OF A HEADER COMPOSED OF SPACED WALLS DEFINING A CHAMBER, THE OPPOSITE WALL OF EACH TUBE HEADER HAVING AN OPENING AND ATTACHED THERETO A SINGLE COILED TUBE, ONE OF SAID COILED TUBES BEING COILED IN A CLOCKWISE DIRECTION AND THE OTHER IN A COUNTER CLOCKWISE DIRECTION, THE SAID DIFFUSION TUBES AND ATTACHED HEADERS BEING ENCLOSED WITHIN SAID OUTER VESSEL AND FIXEDLY SUPPORTED THEREIN SOLELY BY ATTACHMENT TO EACH OF SID COILED TUBES.
Claim 2
Dependent Claim
103 words
A HYDROGEN PURIFICATION UNIT COMPRISING AN OUTER VESSEL, A PLURALITY OF THIN-WALLED PALLADIUM-CONTAINING DIFFUSION TUBES SUPPORTED AT EACH END BY A TUBE SHEET, EACH OF SAID TUBE SHEETS COMPRISING ONE WALL OF A HEADER COMPOSED OF SPACED WALLS DEFINING A CHAMBER, THE OPPOSITE WALL OF EACH TUBE HEADER HAVING AN OPENING AND ATTACHED THERETO A SINGLE COILED TUBE, ONE OF SAID COILED TUBES BEING COILED IN A CLOCKWISE DIRECTION AND THE OTHER IN A COUNTER CLOCKWISE DIRECTION, THE SAID DIFFUSION TUBES AND ATTACHED HEADERS BEING ENCLOSED WITHIN SAID OUTER VESSEL AND FIXEDLY SUPPORTED THEREIN SOLELY BY ATTACHMENT TO EACH OF SID COILED TUBES.
References Cited (Backward Citations)
CA667016A
Cited
FR1178480A
Cited
US2911057A
Cited
US3022858A
Cited
US3210162A
Cited
US3251173A
Cited
US3274754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |