Patent US3524870A successfully refreshed from Google Patents.
US3524870A
Expired / Lapsed
US
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Preparation of aluminum monohydride diethoxide
Assignee: Dow Chemical Co
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Filing: 1967-12-08
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Granted: 1970-08-18
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Expires: 1987-12-08
Abstract
No abstract record available.
Inventors
- 👤 Norman E Matzek
- 👤 William H Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:42
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1246620A
Cited
US3147272A
Cited
US3060216A
Cited
US3281443A
Cited
US3405154A
Cited
US3435059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |