Patent US4588580B2 successfully refreshed from Google Patents.
US4588580B2
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Transdermal administration of fentanyl and device therefor
Assignee: ALAZ Corp
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Filing: 1984-07-23
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Granted: 1999-02-16
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Expires: 2004-07-23
Abstract
No abstract record available.
Inventors
- 👤 Robert M Gale
- 👤 Victor Goetz
- 👤 Eun S Lee
- 👤 Lina T Taskovich
- 👤 Su I Yum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:21
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/70; A61K9/7023; A61K9/703; A61K9/7038; A61K9/7046; A61K9/7053; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61K31/445; A61K9/7069; A61K9/7084; A61K9/7092; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-02-15 | 2002-08-17 | 2003-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-02-15 | 2006-08-17 | 2007-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-02-15 | 2010-08-17 | 2011-02-16 | $7700.00 | Window Closed / Lapsed |