US3274248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-1, 1-bis-[aminophenyl]-propyl-amines and salts thereof
Assignee: Chinoin Private Co Ltd
•
Filing: 1963-08-01
•
Granted: 1966-09-20
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Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Harsanyi Kalman
- 👤 Takacs Kalman
- 👤 Gyorgy P Leszkovszky
- 👤 Erdely Ilona
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:19
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/14; A61K31/135; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K31/475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULA:
Claim 2
Dependent Claim
12 words
A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULA:
References Cited (Backward Citations)
GB627139A
Cited
US3152173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |