Patent US2931706A successfully refreshed from Google Patents.
US2931706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of dibasic aluminum nitrate
Assignee: Individual
•
Filing: 1954-06-21
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Granted: 1960-04-05
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Expires: 1974-06-21
Abstract
No abstract record available.
Inventors
- 👤 Alan T Gresky
- 👤 Eugene O Nurmi
- 👤 Douglas L Foster
- 👤 Russell P Wischow
- 👤 Jouko E Savolainen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:43
CPC Classifications
C; C01; C01F; C01F7/00; C01F7/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A METHOD OF PREPARING THE COMPOUND
Claim 2
Independent Claim
6 words
A METHOD OF PREPARING THE COMPOUND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |