US3459782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-substituted phenoxy-2-hydroxy-3-isopropylamino-propanes
Assignee: C.H. Boehringer Sohn AG and Co KG
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Filing: 1967-02-28
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Granted: 1969-08-05
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Expires: 1987-02-28
Abstract
No abstract record available.
Inventors
- 👤 Herbert Koppe
- 👤 Albrecht Engelhardt
- 👤 Gerhard Ludwig
- 👤 Karl Zeille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:02
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/275; A61K31/13; A61K31/135; A61K31/14; A61K31/33; A61K31/395; A61K31/495; A61K31/505
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2642436A
Cited
US2642437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |