US3407445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure reaction vessel for the preparation of diamond
Assignee: General Electric Co
•
Filing: 1966-03-02
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Granted: 1968-10-29
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Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Strong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:40
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/06; B01J3/062; E; E21; E21B; E21B10/00; E21B10/46; E21B10/48; B01J2203/00; B01J2203/06; B01J2203/065; B01J2203/0655; B01J2203/0675; B01J2203/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |