US3410666A
Expired / Lapsed
US
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Electric fusion crystallization of magnesium, zirconium and calcium oxides
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1965-08-06
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Granted: 1968-11-12
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Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 John J Scott
- 👤 Neil C Turnbull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:42
CPC Classifications
C; C30; C30B; C30B13/00; C30B13/16; C30B13/18; C01; C01B; C01B13/00; C01B13/14; C01B13/145; C01F; C01F5/00; C01F5/02; C30B29/00; C30B29/10; C30B29/16; C01P; C01P2004/00; C01P2004/01; C01P2004/03; Y; Y10; Y10S; Y10S117/00; Y10S117/90
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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |