US2124295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Allantoin ointment
Assignee: National Drug Co
•
Filing: 1935-11-09
•
Granted: 1938-07-19
•
Expires: 1955-11-09
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Greenbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:50
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/06; A61K47/08; A61K47/12; A61K47/10; A61K47/16; A61K47/18; A61K9/00; A61K9/0012; A61K9/0014
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) | 1941-07-18 | 1942-01-17 | 1942-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-07-18 | 1946-01-17 | 1946-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-07-18 | 1950-01-17 | 1950-07-19 | $7700.00 | Window Closed / Lapsed |