Patent US2947068A successfully refreshed from Google Patents.
US2947068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum base powder products
Assignee: Individual
•
Filing: 1958-04-18
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Granted: 1960-08-02
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Expires: 1978-04-18
Abstract
No abstract record available.
Inventors
- 👤 John S Nachtman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:23
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; C22C32/0036; Y; Y10; Y10S; Y10S75/00; Y10S75/95; Y10S75/951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A STRUCTURAL MATERIAL FORMED BY MECHANICALLY WORKING A METALLURIGICAL COMPOSITION CONSISTING OF A FINELY DIVIDED MIXTURE OF SUBSTANTIALLY UNOXIDIZED PARTICLES OF A METALLIC BASE AND 2 TO 25 PARTS BY WEIGHT OF PARTICLES OF AN OXYGEN BEARING COMPOUND OF ALUMINUM SAID METALLIC BASE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM ALLOYS OF ALUMINUM, AND MIXTURES OF ALUMINUM AND ALLOYS OF ALUMINUM WITH EACH OTHER AND WITH ALUMINUM ALLOY STRENGTHENING METALS SELECTED FROM THE GROUP CONSISTING OF IRON, MOLYBDENUM, VANADIUM, TITANIUM, TANTALUM, NIOBIUM, CHROMIUM, MANGANESE, NICKEL, COBALT, TUNGSTEN, BORON, BERYLILIUM, THORIUM, IRIDIUM, AND THE RARE EARTH ELEMENTS WHEREIN SAID STRENTHENING METALS COMPRISE LESS THAN 50 PERCENT OF SAID METALLIC BASE, SAID OXYGEN BEARING COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF ALUMINUM OXIDE, THE ALUMINATES OF BARIUM, BERYLLIUM, CALCIUM, COBALT, IRON, LITHIUM, MANGANESE, MAGNESIUM, AND NICKEL, ALUMINUM BORATE AND MIXTURES THEREOF, SAID COMPOSITIONS HAVING BEEN PRESINTERED UNDER NON-OXIDIZING CONDITIONS AT A TEMPERATURE BETWEEN ABOUT 700*F. TOABOUT THE MELTING POINT OF ALUMINUM.
Claim 2
Dependent Claim
160 words
A STRUCTURAL MATERIAL FORMED BY MECHANICALLY WORKING A METALLURIGICAL COMPOSITION CONSISTING OF A FINELY DIVIDED MIXTURE OF SUBSTANTIALLY UNOXIDIZED PARTICLES OF A METALLIC BASE AND 2 TO 25 PARTS BY WEIGHT OF PARTICLES OF AN OXYGEN BEARING COMPOUND OF ALUMINUM SAID METALLIC BASE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM ALLOYS OF ALUMINUM, AND MIXTURES OF ALUMINUM AND ALLOYS OF ALUMINUM WITH EACH OTHER AND WITH ALUMINUM ALLOY STRENGTHENING METALS SELECTED FROM THE GROUP CONSISTING OF IRON, MOLYBDENUM, VANADIUM, TITANIUM, TANTALUM, NIOBIUM, CHROMIUM, MANGANESE, NICKEL, COBALT, TUNGSTEN, BORON, BERYLILIUM, THORIUM, IRIDIUM, AND THE RARE EARTH ELEMENTS WHEREIN SAID STRENTHENING METALS COMPRISE LESS THAN 50 PERCENT OF SAID METALLIC BASE, SAID OXYGEN BEARING COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF ALUMINUM OXIDE, THE ALUMINATES OF BARIUM, BERYLLIUM, CALCIUM, COBALT, IRON, LITHIUM, MANGANESE, MAGNESIUM, AND NICKEL, ALUMINUM BORATE AND MIXTURES THEREOF, SAID COMPOSITIONS HAVING BEEN PRESINTERED UNDER NON-OXIDIZING CONDITIONS AT A TEMPERATURE BETWEEN ABOUT 700*F. TOABOUT THE MELTING POINT OF ALUMINUM.
References Cited (Backward Citations)
US2568157A
Cited
GB779573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |