Patent US3848999A successfully refreshed from Google Patents.
US2992135A
Expired / Lapsed
US
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Reacted coating of titanium
Assignee: Crucible Steel Company of America
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Filing: 1957-11-07
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Granted: 1961-07-11
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Expires: 1977-11-07
Abstract
No abstract record available.
Inventors
- 👤 Walter L Finlay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:31
CPC Classifications
B; B21; B21C; B21C1/00; C; C23; C23C; C23C2/00; C23C2/04; C23C2/12; Y; Y10; Y10S; Y10S29/00; Y10S29/045; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/936; Y10S428/939; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12708; Y10T428/12736; Y10T428/12743; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/26; Y10T428/263; Y10T428/264
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
THE METHOD OF BONDING A LAYER OF METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, TIN, COPPER AND LEAD ONTO A TITANIUM BASE COMPRISING THE STEP OF IMMERSING THE TITANIUM BASE IN A MOLTEN BASE OF SAID METALS ALUMINUM, TIN AND LEAD, RESPECTIVELY, AND A FUSED BATH OF CUPROUS CHLORIDE FOR APPLYING SAID COATINGS, RESPECTIVELY, AND AT A TEMPERATURE AT LEAST 65*C. IN EXCESS OF THE MELTING POINT OF SAID METAL AND BETWEEN 650*C. AND 925*C. FOR A TIME BETWEEN 5 SECONDS AND 8 MINUTES.
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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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |