US3479381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of metal alkoxides
Assignee: Atlantic Richfield Co
•
Filing: 1967-05-23
•
Granted: 1969-11-18
•
Expires: 1987-05-23
Abstract
No abstract record available.
Inventors
- 👤 Maurice M Mitchell Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:50
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/28; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |