Patent US2732284A successfully refreshed from Google Patents.
US2732284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
sakowski
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
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Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:19
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/34; C25B1/36; C25B1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A VERTICAL FLOW PROCESS FOR DECOMPOSING DILUTE ALKALI METAL AMALGAMS WITH AN AMALGAM-DECOMPOSING FLUID IN THE PRESENCE OF A GRAPHITE CATALYST THE IMPROVEMENT WHICH COMPRISES FLOWING DILUTE ALKALI METAL AMALGAM AND AMALGAM-DECOMPOSING FLUID CONCURRENTLY DOWNWARDLY THROUGH AN AMALGAM-DECOMPOSING ZONE, MAINTAINING IN SAID ZONE A PLURALITY OF HORIZONTAL AMALGAM-DECOMPOSING FLUID INTERFACES EACH OF SAID INTERFACES BEING FORMED BY A LAYER OF AMALGAM AND A SUPERNATANT LAYER OF DECOMPOSING FLUID, SAID INTERFACES BEING SEPARATED FROM EACH OTHER AND DISPOSED ONE ABOVE THE OTHER IN SAID ZONE, MAINTAINING GRAPHITE CATALYST IN CONTACT WITH EACH INTERFACE, MAINTAINING OPEN PASSAGE ZONES IN EACH INTERFACE IN SAID DECOMPOSITON ZONE TO ALLOW FLOW OF AMALGAM AND DECOM-
Claim 2
Dependent Claim
111 words
IN A VERTICAL FLOW PROCESS FOR DECOMPOSING DILUTE ALKALI METAL AMALGAMS WITH AN AMALGAM-DECOMPOSING FLUID IN THE PRESENCE OF A GRAPHITE CATALYST THE IMPROVEMENT WHICH COMPRISES FLOWING DILUTE ALKALI METAL AMALGAM AND AMALGAM-DECOMPOSING FLUID CONCURRENTLY DOWNWARDLY THROUGH AN AMALGAM-DECOMPOSING ZONE, MAINTAINING IN SAID ZONE A PLURALITY OF HORIZONTAL AMALGAM-DECOMPOSING FLUID INTERFACES EACH OF SAID INTERFACES BEING FORMED BY A LAYER OF AMALGAM AND A SUPERNATANT LAYER OF DECOMPOSING FLUID, SAID INTERFACES BEING SEPARATED FROM EACH OTHER AND DISPOSED ONE ABOVE THE OTHER IN SAID ZONE, MAINTAINING GRAPHITE CATALYST IN CONTACT WITH EACH INTERFACE, MAINTAINING OPEN PASSAGE ZONES IN EACH INTERFACE IN SAID DECOMPOSITON ZONE TO ALLOW FLOW OF AMALGAM AND DECOM-
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) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |