US2838430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing an anti-galling surface upon a titanium article
Assignee: Ford Motor Co
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Filing: 1953-10-07
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Granted: 1958-06-10
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Expires: 1973-10-07
Abstract
No abstract record available.
Inventors
- 👤 Henry J Argenta
- 👤 Joseph L Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:02
CPC Classifications
C; C23; C23C; C23C12/00; C23C22/00; C23C22/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE PROCESS OF PRODUCING AN ANTI-GALLING SURFACE UPON A TITANIUM ARTICLE COMPRISING IMMERSING THE ARTICLE IN A BARIUM-RICH MOLTED SALT BATH MAINTAINED WITHIN THE TEMPERATURE RANGE OF 1575* TO 1625*F. FOR FROM FIVE TO FORTY MINUTES, DIRECTLY QUENCHING THE ARTICLE IN OIL, IMMERSING THE QUENCHED ARTICLE IN MOLTEN SALT BATH WITHIN THE TEMPERATURE RANGE OF FROM 1025* TO 1075*F. FOR FROM FIVE TO FORTY MINUTES, REMOVING THE ARTICLE FROM THE MOLTEN SALT BATH AND COOLING THE ARTICLE IN THE AIR.
Claim 2
Dependent Claim
80 words
THE PROCESS OF PRODUCING AN ANTI-GALLING SURFACE UPON A TITANIUM ARTICLE COMPRISING IMMERSING THE ARTICLE IN A BARIUM-RICH MOLTED SALT BATH MAINTAINED WITHIN THE TEMPERATURE RANGE OF 1575* TO 1625*F. FOR FROM FIVE TO FORTY MINUTES, DIRECTLY QUENCHING THE ARTICLE IN OIL, IMMERSING THE QUENCHED ARTICLE IN MOLTEN SALT BATH WITHIN THE TEMPERATURE RANGE OF FROM 1025* TO 1075*F. FOR FROM FIVE TO FORTY MINUTES, REMOVING THE ARTICLE FROM THE MOLTEN SALT BATH AND COOLING THE ARTICLE IN THE AIR.
References Cited (Backward Citations)
US2339223A
Cited
US2453896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |