US2785451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forming composite articles comprising titanium or titanium-base alloys and aluminum and aluminum-base alloys
Assignee: Motors Liquidation Co
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Filing: 1952-05-10
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Granted: 1957-03-19
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Expires: 1972-05-10
Abstract
No abstract record available.
Inventors
- 👤 Dean K Hanink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:04
CPC Classifications
C; C23; C23C; C23C6/00; B; B32; B32B; B32B15/00; B32B15/01; B32B15/017; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/936; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/12743
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
THE METHOD OF FORMING A COMPOSITE ARTICLE OF A METAL CONTAINING AT LEAST 80% ALUMINUM AND A METAL CONTAINING AT LEAST APPROXIMATELY 50% TITANIUM, SAID PROCESS COMPRISING IMMERSING A PART FORMED FROM A METAL CONTAINING AT LEAST APPROXIMATELY 50% TITANIUM IN A FUSED SALT BATH COMPRISING, BY WEIGHT, APPROXIMATELY 37% TO 57% KCI8 25% TO 40% NACI, 8% TO 20% NA3AIF6 AND 0.5% TO 12% AIF3, SAID FUSED SALT BEING MAINTAINED AT A TEMPERATURE BETWEEN APPROXIMATELY 1200*F. AND 1600*F. AND AQCTIVATED BY ALUMINUM IN CONTACT THEREWITH, SUBSEQUENTLY IMMERSING SAID PART IN A MOLTEN BATH OF A COATING METAL CONTAINING AT LEAST APPROXIMATELY 80% ALUMINUM FOR A PERIOD OF TIME SUFFICIENT TO RAISE THE TEMPERATURE OF SURFACES OF SAID COATING TO AT LEAST AS HIGH AS THE MELTING POINT OF SAID COATING METAL, REMOVING THE COATED PART FROM SAID MOLTEN COATING METAL BATH AND, BEFORE THE COATING HAS COMPLETELY-SOLIDIFIED, CASTING MOLTEN METAL CONTAINING AT LEAST APPROXIMATELY 80% ALUMINUM INTO CONTACT WITH SAID COATED PART.
Claim 2
Independent Claim
163 words
THE METHOD OF FORMING A COMPOSITE ARTICLE OF A METAL CONTAINING AT LEAST 80% ALUMINUM AND A METAL CONTAINING AT LEAST APPROXIMATELY 50% TITANIUM, SAID PROCESS COMPRISING IMMERSING A PART FORMED FROM A METAL CONTAINING AT LEAST APPROXIMATELY 50% TITANIUM IN A FUSED SALT BATH COMPRISING, BY WEIGHT, APPROXIMATELY 37% TO 57% KCI8 25% TO 40% NACI, 8% TO 20% NA3AIF6 AND 0.5% TO 12% AIF3, SAID FUSED SALT BEING MAINTAINED AT A TEMPERATURE BETWEEN APPROXIMATELY 1200*F. AND 1600*F. AND AQCTIVATED BY ALUMINUM IN CONTACT THEREWITH, SUBSEQUENTLY IMMERSING SAID PART IN A MOLTEN BATH OF A COATING METAL CONTAINING AT LEAST APPROXIMATELY 80% ALUMINUM FOR A PERIOD OF TIME SUFFICIENT TO RAISE THE TEMPERATURE OF SURFACES OF SAID COATING TO AT LEAST AS HIGH AS THE MELTING POINT OF SAID COATING METAL, REMOVING THE COATED PART FROM SAID MOLTEN COATING METAL BATH AND, BEFORE THE COATING HAS COMPLETELY-SOLIDIFIED, CASTING MOLTEN METAL CONTAINING AT LEAST APPROXIMATELY 80% ALUMINUM INTO CONTACT WITH SAID COATED PART.
References Cited (Backward Citations)
US853716A
Cited
US929777A
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US2151302A
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US2299228A
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US2265243A
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US2569149A
Cited
US2634469A
Cited
US2544670A
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US2544671A
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US2666725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |