US3486913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of finely divided oxides from halides
Assignee: Bayer AG
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Filing: 1968-04-11
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Granted: 1969-12-30
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Expires: 1988-04-11
Abstract
No abstract record available.
Inventors
- 👤 Hans Zirngibl
- 👤 Walter Gutsche
- 👤 Karl Brandle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:33
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/18; C01B33/181; C01B33/183; C01B13/00; C01B13/14; C01B13/20; C01B13/22; C03; C03B; C03B19/00; C03B19/10; C03B19/1005; C03B19/106; C01P; C01P2004/00; C01P2004/60; C01P2004/62; C01P2006/00; C01P2006/60; C01P2006/80; C03B2201/00; C03B2201/06; C03B2201/30; C03B2201/32; C03B2201/40; C03B2201/42; C03B2201/54
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) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |