US2878554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and coating for protection of molybdenum and its alloys
Assignee: Rand Development Corp
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Filing: 1955-09-16
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Granted: 1959-03-24
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Expires: 1975-09-16
Abstract
No abstract record available.
Inventors
- 👤 Roger A Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:55
CPC Classifications
C; C23; C23C; C23C26/00; C23C26/02; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3033; C22; C22C; C22C19/00; C23C24/00; C23C24/08; C23C24/10; C23C24/103; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/936; Y10S428/937; Y10S428/938; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12861; Y10T428/12944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PROTECTIVE COATING ON A BASE CONSISTING ESSENTIALLY OF MOLYBDENUM COMPRISING APPROXIMATELY 50 PERCENT TO 80 PERCENT NICKEL. 15 PERCENT TO 40 PERCENT MOLYBDENUM AND 8 PERCENT TO 20 PERCENT SILICON INCLUDING A FUSION ZONE AT THE INETERFACE BETWEEN SAID COATING AND BASE WHERE THE COATING AND BASE ARE PARTLY FUSED TOGETHER.
Claim 2
Dependent Claim
52 words
A PROTECTIVE COATING ON A BASE CONSISTING ESSENTIALLY OF MOLYBDENUM COMPRISING APPROXIMATELY 50 PERCENT TO 80 PERCENT NICKEL. 15 PERCENT TO 40 PERCENT MOLYBDENUM AND 8 PERCENT TO 20 PERCENT SILICON INCLUDING A FUSION ZONE AT THE INETERFACE BETWEEN SAID COATING AND BASE WHERE THE COATING AND BASE ARE PARTLY FUSED TOGETHER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |