US3248426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-(1-naphthylmethyl)-guanidine and acid addition salt thereof
Assignee: Wyeth LLC
•
Filing: 1962-03-01
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Granted: 1966-04-26
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Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Dusan M Dvornik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:15
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/44; A; A01; A01N; A01N47/00; A01N47/40; A01N47/42; A01N47/44; A61; A61K; A61K31/00; A61K31/13; A61K31/155; C07C277/00; C07C277/08; C07C279/00; C07C279/04; C07C279/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
N-(1-NAPHTHYLMETHYL)-GUANIDINE.
Claim 2
Dependent Claim
1 words
N-(1-NAPHTHYLMETHYL)-GUANIDINE.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |