US3269856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating for refractory metal
Assignee: Lockheed Martin Corp
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Filing: 1962-06-07
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Granted: 1966-08-30
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Expires: 1982-06-07
Abstract
No abstract record available.
Inventors
- 👤 Francis L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:36
CPC Classifications
C; C23; C23C; C23C24/00; B; B24; B24C; B24C1/00; B24C1/06; C23C28/00; C23C28/04; C23C28/042; C23C4/00; C23C4/02; C23C4/04; C23C4/10; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
THE METHOD OF FORMING COATED REFRACTORY METAL ARTICLES IMPACT RESISTANT AND RESISTANT TO OXIDATION AT ELEVATED TEMPERATURES COMPRISING THE STEPS OF COATING THE REFRACTORY METAL WITH A THICKNESS IN THE ORDER OF 0.0005 INCH OF THE DISILICIDE OF SAID REFRACTORY METAL BY VAPOR DEPOSITION, AND OVERCOATING SAID DISILICIDE COATING WITH A THICKNESS IN THE ORDER OF 0.005 INCH OF A RERACTORY OXIDE BY ARC PLASMA SPRAYING.
Claim 2
Independent Claim
66 words
THE METHOD OF FORMING COATED REFRACTORY METAL ARTICLES IMPACT RESISTANT AND RESISTANT TO OXIDATION AT ELEVATED TEMPERATURES COMPRISING THE STEPS OF COATING THE REFRACTORY METAL WITH A THICKNESS IN THE ORDER OF 0.0005 INCH OF THE DISILICIDE OF SAID REFRACTORY METAL BY VAPOR DEPOSITION, AND OVERCOATING SAID DISILICIDE COATING WITH A THICKNESS IN THE ORDER OF 0.005 INCH OF A RERACTORY OXIDE BY ARC PLASMA SPRAYING.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |