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US3445455A
Expired / Lapsed
US
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L-lyxopyranosyloxy-alkylcoumarin-containing glycosides
Assignee: F Hoffmann La Roche AG
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Filing: 1966-04-25
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Granted: 1969-05-20
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Expires: 1986-04-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph Kiss
- 👤 Hans Spiegelberg
- 👤 Bruno Peter Vaterlaus
- 👤 Albert Israel Rachlin
- 👤 Karl Doebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:08
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04; C07H17/06; C07H17/065; C07H17/075; C07H17/07; C07H19/00; C07H19/01
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |