Patent US2947609A successfully refreshed from Google Patents.
US2947609A
Expired / Lapsed
US
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Diamond synthesis
Assignee: General Electric Co
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Filing: 1958-01-06
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Granted: 1960-08-02
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Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Strong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:46
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/06; B01J3/062; B01J2203/00; B01J2203/06; B01J2203/0605; B01J2203/061; B01J2203/065; B01J2203/0655; B01J2203/0675; B01J2203/068; Y; Y10; Y10S; Y10S425/00; Y10S425/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN THE PROCESS FOR MAKING DIAMONDS BY HEATING A CARBONACEOUS MATERIAL AT ELEVATED TEMPERATURES AND PRESSURES, THE IMPROVEMENT WHICH COMPRISES EFFECTING THE CONVERSION OF THE CARBONACEOUS MATERIAL TO DIAMOND AT A PRESSURE OF AT LEAST ABOUT 50,000 ATMOSPHERES IN THE PRESENCE OF AN ALLOY OF A METAL WHICH IS A CATALYST FOR THE AFORESAID CONVERSION REACTION, THE SAID METAL BEING SELECTED FROM THE CLASS CONSISTING OF IRON, COBALT, NICKEL, RUTHERIUM, RHODIUM, PALLADIUM, OSMIUM, IRIDIUM, PLATINUM, CHROMIUM, TANTALUM AND MAGANESE.
Claim 2
Dependent Claim
79 words
IN THE PROCESS FOR MAKING DIAMONDS BY HEATING A CARBONACEOUS MATERIAL AT ELEVATED TEMPERATURES AND PRESSURES, THE IMPROVEMENT WHICH COMPRISES EFFECTING THE CONVERSION OF THE CARBONACEOUS MATERIAL TO DIAMOND AT A PRESSURE OF AT LEAST ABOUT 50,000 ATMOSPHERES IN THE PRESENCE OF AN ALLOY OF A METAL WHICH IS A CATALYST FOR THE AFORESAID CONVERSION REACTION, THE SAID METAL BEING SELECTED FROM THE CLASS CONSISTING OF IRON, COBALT, NICKEL, RUTHERIUM, RHODIUM, PALLADIUM, OSMIUM, IRIDIUM, PLATINUM, CHROMIUM, TANTALUM AND MAGANESE.
References Cited (Backward Citations)
GB377239A
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 |