US3192774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining the release rate of drugs, with protracted or delayed action, or of other such substances
Assignee: Koninklijke Pharmaceutische Fabrieken NV
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Filing: 1962-02-15
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Granted: 1965-07-06
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Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Johan R A Simoons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:43
CPC Classifications
G; G01; G01N; G01N13/00; G01N2013/006; G01N35/00; G01N2035/00178; G01N2035/00188; G01N2035/00198; G01N33/00; G01N33/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
APPARATUS FOR DETERMINING THE RELEASE RATE OF DRUGS, WITH PROTRACTED OR DELAYED ACTION, SAID APPARATUS COMPRISING: A CONTAINER IN THE FORM OF A HOLLOW RING-SHAPED BODY HAVING AN IRREGULARLY CONTOURED INNER SURFACE; MEANS SUPPORTING SAID RING-SHAPED BODY SO THAT IT IS ROTATABLE ABOUT ITS OWN AXIS; A PAIR OF RADIALLY INWARDLY EXTENDING TUBES EACH CARRIED BY SAID SUPPORTING MEANS AND CONNECTING THE INTERIOR OF SAID RING-SHAPED BODY WITH A SUPPLY-TUBE AND A DISCHARGE-TUBE RESPECTIVELY, SAID SUPPLYAND DISCHARGE-TUBES BEING LOCATED CONCENTRICALLY WITH THE AXIS OF THE RING-SHAPED BODY; AN OPENING IN SAID RINGSHAPED BODY FOR THE INTRODUCTION OR REMOVAL OF SAID DRUGS AND A CLOSURE FOR SAID OPENING.
Claim 2
Dependent Claim
107 words
APPARATUS FOR DETERMINING THE RELEASE RATE OF DRUGS, WITH PROTRACTED OR DELAYED ACTION, SAID APPARATUS COMPRISING: A CONTAINER IN THE FORM OF A HOLLOW RING-SHAPED BODY HAVING AN IRREGULARLY CONTOURED INNER SURFACE; MEANS SUPPORTING SAID RING-SHAPED BODY SO THAT IT IS ROTATABLE ABOUT ITS OWN AXIS; A PAIR OF RADIALLY INWARDLY EXTENDING TUBES EACH CARRIED BY SAID SUPPORTING MEANS AND CONNECTING THE INTERIOR OF SAID RING-SHAPED BODY WITH A SUPPLY-TUBE AND A DISCHARGE-TUBE RESPECTIVELY, SAID SUPPLYAND DISCHARGE-TUBES BEING LOCATED CONCENTRICALLY WITH THE AXIS OF THE RING-SHAPED BODY; AN OPENING IN SAID RINGSHAPED BODY FOR THE INTRODUCTION OR REMOVAL OF SAID DRUGS AND A CLOSURE FOR SAID OPENING.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |