US2848455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-(p-amino-phenyl)-alpha-lower alkyl glutarimides
Assignee: CIBA PHARM PROD Inc
•
Filing: 1956-07-10
•
Granted: 1958-08-19
•
Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 Hoffmann Karl
- 👤 Urech Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:08
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/80; C07D211/84; C07D211/86; C07D211/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2749346A
Cited
US2673205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |