US3441648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions and methods for lowering blood pressure with 1,4-dihydropyridines
Assignee: GlaxoSmithKline LLC
•
Filing: 1967-02-07
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Granted: 1969-04-29
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Expires: 1987-02-07
Abstract
No abstract record available.
Inventors
- 👤 Bernard Loev
- 👤 Ralph E Tedeschi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:57
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/79; C07D213/80; C07D211/00; C07D211/02; C07D211/04; C07D211/80; C07D211/84; C07D211/90; C07D401/00; C07D401/02; C07D401/04; C07D405/00; C07D405/02; C07D405/04; C07D409/00; C07D409/02; C07D409/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3221017A
Cited
US3325505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |