US2311923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cough drop
Assignee: IODENT CHEMICAL Co
•
Filing: 1939-06-08
•
Granted: 1943-02-23
•
Expires: 1959-06-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Lautmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:58
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/4833; A61K9/0012; A61K9/0053; A61K9/0056; B; B65; B65B; B65B39/00; B65B39/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1946-02-22 | 1946-08-24 | 1947-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-22 | 1950-08-24 | 1951-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-22 | 1954-08-24 | 1955-02-23 | $7700.00 | Window Closed / Lapsed |