US3254969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of aluminizing chromium alloys and oxidation resistant article produced thereby
Assignee: Howmet Turbine Components Corp
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Filing: 1961-11-24
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Granted: 1966-06-07
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Expires: 1981-11-24
Abstract
No abstract record available.
Inventors
- 👤 Bungardt Karl
- 👤 Becker Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:21
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/60; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12965
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
56 words
AN ARTICLE OF MANUFACTURE CONSISTING OF AN ALLOY CONTAINING FROM 5 TO 35% CHROMIUM AND HAVING AN OXIDATION RESISTANT SURFACE, SAID SURFACE COMPRISING AN ALUMINIZED LAYER EXTEDNING TO THE DEPTH OF BETWEEN 20 AND 30 MICRONS AND CONTAINING ALUMINUM IN AN AMOUNT OF FROM 1.5 TO 2.0 TIMES THE AMOUNT OF CHROMIUM CONTAINED IN SAID ALLOY.
References Cited (Backward Citations)
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US2752265A
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US2887420A
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US3000755A
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US2927043A
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US2921877A
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US2963384A
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US3073015A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |