Patent US3293456A successfully refreshed from Google Patents.
US3401019A
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US
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Process for synthesizing diamond
Assignee: EIDP Inc
•
Filing: 1966-11-21
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Granted: 1968-09-10
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Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 George R Cowan
- 👤 Bruce W Dunnington
- 👤 Arnold H Holtzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:57
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/06; B01J3/08; C; C01; C01B; C01B32/00; C01B32/25; C01B32/26; B01J2203/00; B01J2203/06; B01J2203/0605; B01J2203/0625; B01J2203/065; B01J2203/0655
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3207582A
Cited
US3238019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |