Patent US2559259A successfully refreshed from Google Patents.
US2559259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a source of beta rays
Assignee: Individual
•
Filing: 1946-05-16
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Granted: 1951-07-03
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Expires: 1966-05-16
Abstract
No abstract record available.
Inventors
- 👤 John R Raper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:22
CPC Classifications
G; G21; G21G; G21G4/00; G21G4/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS OF PREPARING A SOURCE OF BETA EMISSIONS WHICH COMPRISES ADMIXING AN ISOTOPE CAPABLE OF BEING IRRADIATED BY NEUTRONS TO PRODUCE A BETA EMITTER WITH AN ORGANIC RESIN CONTAINING NO COMPONENT ELEMENTS OTHER THAN CARBON, HYDROGEN, AND OXYGEN, SHAPING THE RESULTING MIXTURE INTO A DESIRED SHAPE, AND SUBJECTING THE SHAPED MIXTURE TO NEUTRON IRRADIATION.
Claim 2
Dependent Claim
55 words
A PROCESS OF PREPARING A SOURCE OF BETA EMISSIONS WHICH COMPRISES ADMIXING AN ISOTOPE CAPABLE OF BEING IRRADIATED BY NEUTRONS TO PRODUCE A BETA EMITTER WITH AN ORGANIC RESIN CONTAINING NO COMPONENT ELEMENTS OTHER THAN CARBON, HYDROGEN, AND OXYGEN, SHAPING THE RESULTING MIXTURE INTO A DESIRED SHAPE, AND SUBJECTING THE SHAPED MIXTURE TO NEUTRON IRRADIATION.
References Cited (Backward Citations)
US1594491A
Cited
US2206634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |