US3538168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Restoring or preserving metal alkoxides
Assignee: Atlantic Richfield Co
•
Filing: 1969-06-02
•
Granted: 1970-11-03
•
Expires: 1989-06-02
Abstract
No abstract record available.
Inventors
- 👤 Maurice M Mitchell Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:04
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/74; C07C29/94; C07C29/76; C07C31/00; C07C31/28; C07C31/30; C07C31/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2185247A
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US2662100A
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US2882244A
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US2882243A
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US2859256A
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US3062857A
Cited
US3392180A
Cited
US3405154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |