US3509166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tetrahydro-pyridine derivatives of benzamide
Assignee: Wyeth Holdings LLC
•
Filing: 1968-01-15
•
Granted: 1970-04-28
•
Expires: 1988-01-15
Abstract
No abstract record available.
Inventors
- 👤 William Blythe Wright Jr
- 👤 Herbert Joseph Brabander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:12
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/68; C07D211/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2722529A
Cited
US2929818A
Cited
US3209006A
Cited
US3154557A
Cited
US3177252A
Cited
US3270026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |