Patent US3240592A successfully refreshed from Google Patents.
US3240592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersion hardened materials and processes therefor
Assignee: Copper Range Co
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Filing: 1962-04-16
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Granted: 1966-03-15
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Robert S Bray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:25
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/0047; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A COMPOSITE MATERIAL COMPRISING AT LEAST TWO PHASES INCLUDING A FIRST PHASE CONTAINING COPPER AND A SECOND PHASE CONTAINING A COMPOUND, SAID FIRST PHASE AND SAID SECOND PHASE BEING SUBSTANTIALLY UNIFORMLY INTERSPERSED, SAID SECOND PHASE BEING IN THE FORM OF PARTICLES GENERALLY RANGING BETWEEN .01 AND 50 MICRONS IN EXTENT, SAID SECOND PHASE RANGING FROM 0.1 TO 25% BY TOTAL WEIGHT, SAID COPPER BEING RELATIVELY SOFT AND SAID COMPOUND BEING RELATIVELY HARD, SAID COPPER AND SAID COMPOUND BEING MUTUALLY INSOLUBLE, SAID SECOND PHASE RANGING FROM 0.1 TO 25% BY TOTAL WEIGHT OF SAID COMPOSITE MATERIAL, SAID COPPER AND SAID COMPOUND BEING APPROXIMATELY OF LIKE DENSITY, SAID COMPOUND CONTAINING A NON-METAL SELECTED FROM THE CLASS CONSISTING OF OXIDES, CARBIDES, BORIDES, NITRIDES, SELENIDES, SILICIDES AND PHOSPHIDES.
Claim 2
Dependent Claim
124 words
A COMPOSITE MATERIAL COMPRISING AT LEAST TWO PHASES INCLUDING A FIRST PHASE CONTAINING COPPER AND A SECOND PHASE CONTAINING A COMPOUND, SAID FIRST PHASE AND SAID SECOND PHASE BEING SUBSTANTIALLY UNIFORMLY INTERSPERSED, SAID SECOND PHASE BEING IN THE FORM OF PARTICLES GENERALLY RANGING BETWEEN .01 AND 50 MICRONS IN EXTENT, SAID SECOND PHASE RANGING FROM 0.1 TO 25% BY TOTAL WEIGHT, SAID COPPER BEING RELATIVELY SOFT AND SAID COMPOUND BEING RELATIVELY HARD, SAID COPPER AND SAID COMPOUND BEING MUTUALLY INSOLUBLE, SAID SECOND PHASE RANGING FROM 0.1 TO 25% BY TOTAL WEIGHT OF SAID COMPOSITE MATERIAL, SAID COPPER AND SAID COMPOUND BEING APPROXIMATELY OF LIKE DENSITY, SAID COMPOUND CONTAINING A NON-METAL SELECTED FROM THE CLASS CONSISTING OF OXIDES, CARBIDES, BORIDES, NITRIDES, SELENIDES, SILICIDES AND PHOSPHIDES.
References Cited (Backward Citations)
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US1984203A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |