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US2559259A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making a source of beta rays

Assignee: Individual
•
Filing: 1946-05-16
•
Granted: 1951-07-03
•
Expires: 1966-05-16
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Abstract

No abstract record available.

Inventors

  • 👤 John R Raper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 05:46
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

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