US3740210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanically alloyed aluminum aluminum oxide
Assignee: Huntington Alloys Corp
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Filing: 1971-07-06
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Granted: 1973-06-19
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Expires: 1991-07-06
Abstract
Abstract A MECHANICALLY ALLOYED COMPOSITE POWDER WHEREIN INDIVIDUAL PARTICLES INCLUDE AN LUMINUM MATRIX HAVING EQUIAZED ALUMINUM OXIDE DISPERSOID PARTICLES HAVING A SIZE OF ABOUT 100 A. TO 2,000 A. UNIFORMLY DISTRIBUTED THERETHROUGH AT PARTICLE SPACINGS OF ABOUT 500 TO 3,000 A. PRODUCTS MADE BY CONSOLIDATING THE MECHANICALLYY ALLOYED POWDER EXHIBIT IMPROVED STRENGTH PROPERTIES AT RELATIVELY LOW DISPERSOID CONTENTS. A PROCESS FOR PRODUCING SUCH MECHANICALLY ALLOYED COMPOSITE POSDER INCLUDING MILLING UNDER DRY CONDITIONS AND IN THE PRESENCE OF A SURFACTIVE AGENT, PREFERABLY A VOLATILIZABLE ORGANIC MATERIAL.
Inventors
- 👤 M Bomford
- 👤 J Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:01
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; C22C32/0036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |