Patent US3594467A successfully refreshed from Google Patents.
US3594467A
Expired / Lapsed
US
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Long-lasting troche
Assignee: Richardson Vicks Inc
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Filing: 1968-10-09
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Granted: 1971-07-20
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Expires: 1988-10-09
Abstract
Abstract A COMPRESSED POWDER, LONG-LASTING, TROCHE CONTAINING 4% TO 17% OF CARBOXYPOLYETHYLENE, 15% TO 70% OF SODIUM CASEINATE AND FROM ABOUT 13% TO 81% OF A WATERSOLUBLE PHARMACEUTICALLY ACCEPTABLE TABLETTING DILUENT.
Inventors
- 👤 George L Christenson
- 👤 Harold E Huber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:47
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/2004; A61K9/2022; A61K9/2027; A61K9/0012; A61K9/0053; A61K9/0056; A61K9/2063
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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |