Patent US2874707A successfully refreshed from Google Patents.
US3240555A
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Fission products extraction processes
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1961-12-27
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Granted: 1966-03-15
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Expires: 1981-12-27
Abstract
No abstract record available.
Inventors
- 👤 Nash Geoffrey James Chetewoode
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:11
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/28; G21C19/30; G21C19/303; G21F; G21F9/00; G21F9/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PROCESS FOR THE EXTRACTION OF A RADIOACTIVE ISOTOPE OF AN ELEMENT PRESENT IN A STREAM OF CARRIER GAS CONTAINING AN AEROSOL COMPRISING FLOWING TTHE STREAM ALONG A FLOW PATH WHICH INCLUDES A BED OF ABSORBENT, INTRODUCING A NATURAL FORM OF SAID ELEMENT IN THE VAPOR STATE INTO SAID FLOW PATH TO EFFECT AN EXCHANGE REACTION BETWEEN THE RADIO-
Claim 2
Dependent Claim
59 words
A PROCESS FOR THE EXTRACTION OF A RADIOACTIVE ISOTOPE OF AN ELEMENT PRESENT IN A STREAM OF CARRIER GAS CONTAINING AN AEROSOL COMPRISING FLOWING TTHE STREAM ALONG A FLOW PATH WHICH INCLUDES A BED OF ABSORBENT, INTRODUCING A NATURAL FORM OF SAID ELEMENT IN THE VAPOR STATE INTO SAID FLOW PATH TO EFFECT AN EXCHANGE REACTION BETWEEN THE RADIO-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |