US3147213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation decomposition of waste cyanide solutions
Assignee: AT&T Inc
•
Filing: 1961-07-11
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Granted: 1964-09-01
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Expires: 1981-07-11
Abstract
No abstract record available.
Inventors
- 👤 Richard F Byron
- 👤 Jr John Danaczko
- 👤 Alfred L Dixon
- 👤 Lloyd M Welker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:32
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/30; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/903; Y10S210/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
THE METHOD OF TREATING WASTE SOLUTIONS CONTAINING CYANIDE IONS SO AS TO RENDER SUCH SOLUTIONS SAFE FOR DISPOSAL, WHICH COMPRISES THE STEP OF EXPOSING SUCH SOLUTIONS TO PENETRATIVE IONIZING RADIATION UNTIL THE CYANIDE IONS HAVE BEEN DECOMPOSED INTO NONTOXIC CONSTITUENTS TO THAT DEGREE REQUIRED FOR SAFE DISPOSAL.
Claim 2
Independent Claim
47 words
THE METHOD OF TREATING WASTE SOLUTIONS CONTAINING CYANIDE IONS SO AS TO RENDER SUCH SOLUTIONS SAFE FOR DISPOSAL, WHICH COMPRISES THE STEP OF EXPOSING SUCH SOLUTIONS TO PENETRATIVE IONIZING RADIATION UNTIL THE CYANIDE IONS HAVE BEEN DECOMPOSED INTO NONTOXIC CONSTITUENTS TO THAT DEGREE REQUIRED FOR SAFE DISPOSAL.
References Cited (Backward Citations)
US2981682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |