US3264295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-amino-7-hexylamino-nu-hexyl-2-phenyl-6-pteridinethiocarboxamide
Assignee: Wyeth LLC
•
Filing: 1965-03-05
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Granted: 1966-08-02
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Expires: 1985-03-05
Abstract
No abstract record available.
Inventors
- 👤 Thomas S Osdene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:08
CPC Classifications
C; C07; C07D; C07D475/00; C07D475/06; C07D475/10
Claims Analysis
Total Claims: 0
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |