US2600301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-substituted-beta halo-ethyl amines
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1948-06-04
•
Granted: 1952-06-10
•
Expires: 1968-06-04
Abstract
No abstract record available.
Inventors
- 👤 James F Kerwin
- 👤 Glenn E Ullyot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:57
CPC Classifications
C; C07; C07C; C07C215/00; C07C215/02; C07C215/04; C07C215/06; C07C215/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE STRUCTURE
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE STRUCTURE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |