US3573120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uranium etchant and method
Assignee: United States Atomic Energy Commission
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Filing: 1968-09-06
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Granted: 1971-03-30
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Expires: 1988-09-06
Abstract
Abstract METALLIC URANIUM AND ALLOYS THEREOF ARE PROVIDED WITH UNIFORMLY ETCHED SURFACES FOR FACILITATING THE RECEPTION OF ADHERENT PROTECTIVE COATINGS. THE ETCHANT CONSISTS OF AN AQUEOUS SOLUTION OF EITHER FERRIC CHLORIDE OR FERRIC CHLORIDE AND NICKEL CHLORIDE.
Inventors
- 👤 Forrest B Waldrop
- 👤 Max J Bezik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:45
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/10; C23F1/14; C23F1/16; C23F1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |