US2903471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing a complex of an aluminum alcoholate with aluminum and boron hydrides
Assignee: Metal Hydrides Inc
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Filing: 1958-01-13
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Granted: 1959-09-08
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Expires: 1978-01-13
Abstract
No abstract record available.
Inventors
- 👤 Kollonitsch Janos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:06
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
THE METHOD FOR PREPARING COMPLEXES OF ALUMINUM ALCOHOLATES WITH ALUMINUM AND BORON HYDRIDES HAVING THE FORMULA
Claim 2
Independent Claim
16 words
THE METHOD FOR PREPARING COMPLEXES OF ALUMINUM ALCOHOLATES WITH ALUMINUM AND BORON HYDRIDES HAVING THE FORMULA
References Cited (Backward Citations)
US2494968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |