US3201459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guanidine
Assignee: Pfizer Italia SRL
•
Filing: 1962-11-19
•
Granted: 1965-08-17
•
Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 Coda Severina
- 👤 Vittorio A Colo
- 👤 Glaesser Alfredo
- 👤 Pasini Claudio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:48
CPC Classifications
C; C07; C07C; C07C277/00; C07C277/08; C07C279/00; C07C279/04; C07C279/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-AMINO-(DI-SUBSTITUTED)-ETHYL-GUANIDINES HAVING THE FORMULA:
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-AMINO-(DI-SUBSTITUTED)-ETHYL-GUANIDINES HAVING THE FORMULA:
References Cited (Backward Citations)
US1672029A
Cited
DE1107215B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |