US2599000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu, nu-disubstituted-beta-halo-alkylamines
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1950-09-02
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Granted: 1952-06-03
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Expires: 1970-09-02
Abstract
No abstract record available.
Inventors
- 👤 James F Kerwin
- 👤 Glenn E Ullyot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:56
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND ITS ACID ADDITION SALTS, THE FREE BASE HAVING THE FORMULA:
Claim 2
Dependent Claim
21 words
A COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND ITS ACID ADDITION SALTS, THE FREE BASE HAVING THE FORMULA:
References Cited (Backward Citations)
US2495772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |