US3363980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing control during metal and metalloid oxide production
Assignee: Cabot Corp
•
Filing: 1965-03-29
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Granted: 1968-01-16
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Krinov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:30
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/14; C01B13/20; C01B13/22; C01B33/00; C01B33/113; C01B33/12; C01B33/18; C01B33/181; C01B33/183
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |