US3845123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenoxypropanolamine therapeutic agents
Assignee: Pfizer Inc
•
Filing: 1973-03-28
•
Granted: 1974-10-29
•
Expires: 1993-03-28
Abstract
Abstract 1. 1-(4-ACETAMIDOPHENOXY) -3 - (2-(4-ACETAMIDOPHENOXY)ETHYLAMINO)PROPAN-2-OL.
Inventors
- 👤 D Cox
- 👤 J Kemp
- 👤 M Snarey
- 👤 J Danilewicz
- 👤 A Ham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:18
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/16; A61K31/13; A61K31/135; C; C07; C07C; C07C233/00; C07C233/01; C07C233/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
1-(4-ACETAMIDOPHENOXY) -3 - (2-(4-ACETAMIDOPHENOXY)ETHYLAMINO)PROPAN-2-OL.
Claim 2
Dependent Claim
4 words
1-(4-ACETAMIDOPHENOXY) -3 - (2-(4-ACETAMIDOPHENOXY)ETHYLAMINO)PROPAN-2-OL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |