US3518064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry heating process for preparation of antacid compounds
Assignee: Warner Lambert Co LLC
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Filing: 1967-09-18
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Granted: 1970-06-30
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Expires: 1987-09-18
Abstract
No abstract record available.
Inventors
- 👤 Seymour Z Lewin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:41
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/06; A61K33/08; B; B01; B01J; B01J19/00; B01J19/0086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |