US2950309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amphetamine tannate
Assignee: Irwin Neisler and Co
•
Filing: 1955-03-08
•
Granted: 1960-08-23
•
Expires: 1975-03-08
Abstract
No abstract record available.
Inventors
- 👤 Cavallito Chester John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:03
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
AMPHETAMINE TANNATE HAVING A MOLECULAR RATIO OF APPROXIMATELY 1:1 AMPHETAMINE TO GALLOYL GALLIC ACID MOIETY.
Claim 2
Dependent Claim
15 words
AMPHETAMINE TANNATE HAVING A MOLECULAR RATIO OF APPROXIMATELY 1:1 AMPHETAMINE TO GALLOYL GALLIC ACID MOIETY.
References Cited (Backward Citations)
US2399742A
Cited
US2540302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |