US3015880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion resistant treatment of metal articles
Assignee: Power Jets Research and Development Ltd
•
Filing: 1958-11-06
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Granted: 1962-01-09
•
Expires: 1978-11-06
Abstract
No abstract record available.
Inventors
- 👤 Stephenson Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:23
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/06; B22F7/08; C; C22; C22C; C22C19/00; C22C19/007; C23; C23C; C23C24/00; C23C24/08; C23C24/082; C23C26/00; C23C4/00; C23C4/18; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/936; Y10S428/937; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A METAL ARTICLE CHARACTERIZED BY HIGH RESISTANCE TO CORROSION BY A VANADIUM-CONTAINING ATMOSPHERE THAT COMPRISES AN INNER PORTION COMPRISED OF AT LEAST ONE METALLIC MATERIAL, AND AN INTEGRAL SURFACE LAYER OVERLYING SAID PORTION, SAID SURFACE LAYER BEING AN ALLOY CONSISTING OF NICKEL AND SILICON IN PROPORTIONS CORRESPONDING TO THE NICKEL-SILICON EUTECTIC CONTAINING 12% SILICON.
Claim 2
Dependent Claim
54 words
A METAL ARTICLE CHARACTERIZED BY HIGH RESISTANCE TO CORROSION BY A VANADIUM-CONTAINING ATMOSPHERE THAT COMPRISES AN INNER PORTION COMPRISED OF AT LEAST ONE METALLIC MATERIAL, AND AN INTEGRAL SURFACE LAYER OVERLYING SAID PORTION, SAID SURFACE LAYER BEING AN ALLOY CONSISTING OF NICKEL AND SILICON IN PROPORTIONS CORRESPONDING TO THE NICKEL-SILICON EUTECTIC CONTAINING 12% SILICON.
References Cited (Backward Citations)
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Cited
US1514064A
Cited
US1753904A
Cited
US2222471A
Cited
GB580686A
Cited
US2707157A
Cited
US2878554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |