Patent US2846353A successfully refreshed from Google Patents.
US2846353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capsule and method of production
Assignee: Individual
•
Filing: 1956-09-04
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Granted: 1958-08-05
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Expires: 1976-09-04
Abstract
No abstract record available.
Inventors
- 👤 Edward W Pipher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A MEDICINAL CAPSULE CONSISTING ESSENTIALLY OF A CONTAINER FORMED OF A SELF-SUSTANING FILM OF UNDENATURED ZEIN HAVING A WALL THICKNESS OF 0.002 TO 0.05 INCH, SAID CAPSULE HAVING CONTAINED THEREIN A MEDICINMAL SUBSTANCE, SAID ZEIN BEING SOLUBLE IN 70-80% AQUEOUS ETHANOL AND INSOLUBLE AT ROOM TEMPERATURE IN WATER, IN ABSOLUTE ALCOHOL AND IN ACETONE.
Claim 2
Dependent Claim
54 words
A MEDICINAL CAPSULE CONSISTING ESSENTIALLY OF A CONTAINER FORMED OF A SELF-SUSTANING FILM OF UNDENATURED ZEIN HAVING A WALL THICKNESS OF 0.002 TO 0.05 INCH, SAID CAPSULE HAVING CONTAINED THEREIN A MEDICINMAL SUBSTANCE, SAID ZEIN BEING SOLUBLE IN 70-80% AQUEOUS ETHANOL AND INSOLUBLE AT ROOM TEMPERATURE IN WATER, IN ABSOLUTE ALCOHOL AND IN ACETONE.
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) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |