US3171789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibition of the corrosion of metals by steam at high temperatures
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1961-12-04
•
Granted: 1965-03-02
•
Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Wanklyu John Nelson
- 👤 Britton Colin Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:42
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02; C22; C22C; C22C16/00; G; G21; G21C; G21C15/00; G21C15/28; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
33 words
A METHOD OF OPERATING A NUCLEAR COOLED BY PRESSURIZED DRY STEAM, IN WHICH THE COOLANT COMES INTO CONTACT WITH A METAL WHICH IS CORRODIBLE THEREBY, WHICH COMPRISES INTRODUCING BORIC ACID INTO THE COOLANT.
References Cited (Backward Citations)
US1666523A
Cited
US1927842A
Cited
US1724551A
Cited
US2886503A
Cited
US2796411A
Cited
US2727996A
Cited
US2998367A
Cited
US2920025A
Cited
GB879282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |