Patent US1998225A successfully refreshed from Google Patents.
Patent US2579243A successfully refreshed from Google Patents.
US2579243A
Expired / Lapsed
US
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Method for the production of radioactive isotopes
Assignee: Individual
•
Filing: 1945-04-13
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Granted: 1951-12-18
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Expires: 1965-04-13
Abstract
No abstract record available.
Inventors
- 👤 Allen F Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
G; G21; G21G; G21G1/00; G21G1/04; G21G1/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A METHOD OF PRODUCING RADIOACTIVE ISOTOPES WHICH MAY BE DERIVED FROM THE METABORATES OF THE GROUP OF THE ALKALI METALS AND THE ALKALINE EARTH METALS, WHICH COMPRISES BOMBARDING A TARGET HAVING A LAYER OF A METABORATE OF AN ELEMENT OF SAID GROUP BONDED TO A HEAT-CONDUCTIVE BASE, WITH A STREAM OF HIGH-VELOCITY, SUBATOMIC PARTICLES.
References Cited (Backward Citations)
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US1733744A
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US1835113A
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US2206634A
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US2146093A
Cited
US2316595A
Cited
US2303658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |