US2567972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making aluminum-containing hydrides
Assignee: Individual
•
Filing: 1946-12-19
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Granted: 1951-09-18
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Expires: 1966-12-19
Abstract
No abstract record available.
Inventors
- 👤 Hermann I Schlesinger
- 👤 Albert E Finholt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:13
CPC Classifications
C; C01; C01B; C01B6/00; C01B6/24; C01B6/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD OF MAKING A MEMBER OF THE CLASS CONSISTING OF AN ETHER COMPLEX OF ALUMINUM HYDRIDE AND A MEMBER OF THE CLASS CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL ALUMINUM HYDRIDES, WHICH COMPRISES REACTING AN ALUMINUM HALIDE WITH A MEMBER OF THE CLASS CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL HYDRIDES IN THE PRESENCE OF AN ALIPHATIC EHTER.
Claim 2
Independent Claim
61 words
THE METHOD OF MAKING A MEMBER OF THE CLASS CONSISTING OF AN ETHER COMPLEX OF ALUMINUM HYDRIDE AND A MEMBER OF THE CLASS CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL ALUMINUM HYDRIDES, WHICH COMPRISES REACTING AN ALUMINUM HALIDE WITH A MEMBER OF THE CLASS CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL HYDRIDES IN THE PRESENCE OF AN ALIPHATIC EHTER.
References Cited (Backward Citations)
US1796265A
Cited
US1971742A
Cited
US1958012A
Cited
US2067748A
Cited
US2113353A
Cited
US2344244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |