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US2767180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triazine diuretic and process for preparing the same
Assignee: Wyeth LLC
•
Filing: 1955-05-17
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Granted: 1956-10-16
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Expires: 1975-05-17
Abstract
No abstract record available.
Inventors
- 👤 Stanley O Winthrop
- 👤 Gordon A Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:08
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
2,4-DIAMINO-6-PYRIDINIUM TRAZINE CHLORIDE.
Claim 2
Dependent Claim
3 words
2,4-DIAMINO-6-PYRIDINIUM TRAZINE CHLORIDE.
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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |