US2546320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sintering titanium and like metals
Assignee: Dominion Magnesium Ltd
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Filing: 1948-12-13
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Granted: 1951-03-27
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Expires: 1968-12-13
Abstract
No abstract record available.
Inventors
- 👤 Douglas W Rostron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:27
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/045; C22C1/0458
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A METHOD OF TREATING TITANIUM AND LIKE REACTIVE METAL POWDER WHICH COMPRISES COMPRESSING THE POWDER INTO COMPACTS, PLACING THE COMPACTS AND A MASS OF ALKALINE EARTH METAL IN A CLOSED ZONE, EVACUATING AIR AND FILLING THE CLOSED ZONE WITH AN INERT GAS, HEATING TO RENDER THE ALKALINE EARTH MEATL FLUID TO INTIMATELY SURROUND THE COMPACTS AND WHILE MAINTAINING THE COMPACTS COMPLETELY SURROUNDED WITH THE FLUID ALKALINE EARTH FURTHER HEATING AT A TEMPERATURE OF ABOUT 1000* C. TO SINTER THE POWDER AND RENDER THE COMPACTS SOLID AND RESISTANT TO OXIDATION.
Claim 2
Independent Claim
89 words
A METHOD OF TREATING TITANIUM AND LIKE REACTIVE METAL POWDER WHICH COMPRISES COMPRESSING THE POWDER INTO COMPACTS, PLACING THE COMPACTS AND A MASS OF ALKALINE EARTH METAL IN A CLOSED ZONE, EVACUATING AIR AND FILLING THE CLOSED ZONE WITH AN INERT GAS, HEATING TO RENDER THE ALKALINE EARTH MEATL FLUID TO INTIMATELY SURROUND THE COMPACTS AND WHILE MAINTAINING THE COMPACTS COMPLETELY SURROUNDED WITH THE FLUID ALKALINE EARTH FURTHER HEATING AT A TEMPERATURE OF ABOUT 1000* C. TO SINTER THE POWDER AND RENDER THE COMPACTS SOLID AND RESISTANT TO OXIDATION.
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) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |