US3115387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molecularly dehydrated aluminum hydroxide derivatives
Assignee: Warner Lambert Co LLC
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Filing: 1958-02-06
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Granted: 1963-12-24
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Expires: 1978-02-06
Abstract
No abstract record available.
Inventors
- 👤 Seymour Z Lewin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:29
CPC Classifications
C; C01; C01F; C01F7/00; C01F7/02; C01F7/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A BASIC CARBONATE OF ALUMINUM AND AN ALKALI METAL, HAVING THE EMPIRICAL FORMULA AL2O2H2O.NAHCO3 STRUCTURAL FORMULA:
Claim 2
Dependent Claim
16 words
A BASIC CARBONATE OF ALUMINUM AND AN ALKALI METAL, HAVING THE EMPIRICAL FORMULA AL2O2H2O.NAHCO3 STRUCTURAL FORMULA:
References Cited (Backward Citations)
US2783127A
Cited
US2783124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |