US2617824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfates of aminobenzoic diethylaminoethyl-amide
Assignee: Abbott Laboratories
•
Filing: 1950-12-11
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Granted: 1952-11-11
•
Expires: 1970-12-11
Abstract
No abstract record available.
Inventors
- 👤 Marjorie B Moore
- 👤 Charles A Stainbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:35
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A SULFURIC ACID, ACID-ADDITION SALT OF P-AMINO-N-(2-DIETHYLAMINOETHYL)-BENZAMIDE.
Claim 2
Dependent Claim
7 words
A SULFURIC ACID, ACID-ADDITION SALT OF P-AMINO-N-(2-DIETHYLAMINOETHYL)-BENZAMIDE.
References Cited (Backward Citations)
GB500476A
Cited
US2490780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |