US2858600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface hardening of titanium
Assignee: Motors Liquidation Co
•
Filing: 1954-02-19
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Granted: 1958-11-04
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Expires: 1974-02-19
Abstract
No abstract record available.
Inventors
- 👤 Charles W Vigor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:06
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/28; C23C10/34; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/941; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12778; Y10T428/12806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A METHOD OF FORMING A SURFACE LAYER ON A TITANIUM MEMBER WHICH COMPRISES APPLYING THERETO A THIN LAYER OF AT LEAST ONE METAL POWDER SELECTED FROM THE GROUP CONSISTING OF NICKEL, MANGANESE AND CHROMIUM AND ALLOYS THEREOF, AND THEREAFTER HEATING THE TITANIUM MEMBER AND METAL POWDER TO A TEMPERATURE BELOW THE MELTING POINT OF TITANIUM AND THE POWDERED METAL AND BELOW ANY EUTECTIC TEMPERATURE OF TITANIUM AND THE POWDERED METAL FOR A TIME SUFFICIENT TO CAUSE DIFFUSION OF THE METAL POWDER INTO THE SURFACE OF SAID TITANIUM MEMBER.
Claim 2
Independent Claim
88 words
A METHOD OF FORMING A SURFACE LAYER ON A TITANIUM MEMBER WHICH COMPRISES APPLYING THERETO A THIN LAYER OF AT LEAST ONE METAL POWDER SELECTED FROM THE GROUP CONSISTING OF NICKEL, MANGANESE AND CHROMIUM AND ALLOYS THEREOF, AND THEREAFTER HEATING THE TITANIUM MEMBER AND METAL POWDER TO A TEMPERATURE BELOW THE MELTING POINT OF TITANIUM AND THE POWDERED METAL AND BELOW ANY EUTECTIC TEMPERATURE OF TITANIUM AND THE POWDERED METAL FOR A TIME SUFFICIENT TO CAUSE DIFFUSION OF THE METAL POWDER INTO THE SURFACE OF SAID TITANIUM MEMBER.
References Cited (Backward Citations)
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Cited
US1565724A
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US2520373A
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GB633701A
Cited
US2633628A
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US2622043A
Cited
US2674542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |