Patent US2562402A successfully refreshed from Google Patents.
US2562402A
Expired / Lapsed
US
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Dispensing unit for therapeutic agents
Assignee: FOOD RES LAB Inc
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Filing: 1949-04-05
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Granted: 1951-07-31
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Expires: 1969-04-05
Abstract
No abstract record available.
Inventors
- 👤 Walter A Winsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:22
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A DISPENSING UNIT ADAPTED FOR THE ADMINISTRATION OF A HYDROPHILIC OINTMENT EMBODYING A DRUG UNSTABLE IN AQUEOUS MEDIA, COMPRISING: AN ENVELOPE; A HYDROPHILIC OINTMENT CONTAINED WITHIN SAID ENVELOPE; A RUPTURABLE CASING DISPOSED WITHING THE ENVELOPE, SAID RUPTURABLE CASING CONTAINING A HYDROPHOBIC MATERIAL HAVING DISTRIBUTED THERETHROUGH A DRUG UNSTABLE IN AQUEOUS MEDIA WHEREBY THE MANIPULATION OF THE ENVELOPE EFFECTUATES THE RUPTURE OF THE CASING AND BRINGS ABOUT THE DISTRIBUTION OF THE DRUG IN THE HYDROPHILIC OINTMENT.
Claim 2
Dependent Claim
75 words
A DISPENSING UNIT ADAPTED FOR THE ADMINISTRATION OF A HYDROPHILIC OINTMENT EMBODYING A DRUG UNSTABLE IN AQUEOUS MEDIA, COMPRISING: AN ENVELOPE; A HYDROPHILIC OINTMENT CONTAINED WITHIN SAID ENVELOPE; A RUPTURABLE CASING DISPOSED WITHING THE ENVELOPE, SAID RUPTURABLE CASING CONTAINING A HYDROPHOBIC MATERIAL HAVING DISTRIBUTED THERETHROUGH A DRUG UNSTABLE IN AQUEOUS MEDIA WHEREBY THE MANIPULATION OF THE ENVELOPE EFFECTUATES THE RUPTURE OF THE CASING AND BRINGS ABOUT THE DISTRIBUTION OF THE DRUG IN THE HYDROPHILIC OINTMENT.
References Cited (Backward Citations)
US683994A
Cited
FR350651A
Cited
US1077835A
Cited
US1960858A
Cited
US2275567A
Cited
US2100456A
Cited
US2176923A
Cited
US2184152A
Cited
US2469204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |