US2996431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friable tablet and process for manufacturing same
Assignee: Individual
•
Filing: 1953-12-16
•
Granted: 1961-08-15
•
Expires: 1973-12-16
Abstract
No abstract record available.
Inventors
- 👤 Barry Richard Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:27
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/2072; A61K9/2077; A61J; A61J3/00; A61J3/10; A61K9/2081; Y; Y10; Y10S; Y10S252/00; Y10S252/965
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PRESSED MEDICINAL TABLET WHICH IS RESISTANT TO BREAKAGE AND CHIPPING UNDER IMPACT BUT IS CAPABLE OF BEING CRUSHED AND DISINTEGRATED BY THE PRESSURE OF THE THUMB, SAID TABLET BEING COMPOSED OF ABOUT 30 TO 70% BY WEIGHT OF HARD, SPHEROIDAL MEDICINAL PELLETS OF ABOUT 10 TO 16 MESH, DISTRIBUTED IN ABOUT 70 TO 30% BY WEIGHT OF A COMMINUTED MATRIX WHICH IS COMPACTED INTO A HARD, STRONGLY COHESIVE MASS WHICH, IN THE FORM OF A TABLET COMPOSED WHOLLY THEREOF, IS HIGHLY RESISTANT TO BEING CRUSHED WITH THE THUMB, SAID TABLET ON APPLICATION OF THUMB PRESSURE WITH A TWISTING MOTION BEING READILY DISINTEGRABLE, BY REASON OF SHEARING FORCES TRANSMITTED BY SAID PELLETS, INTO A SUBSTANTIALLY POWDERED MATRIX CONTAINING THE SPHEROIDAL PELLETS IN SUBSTANTIALLY UNDAMAGED CONDITION.
Claim 2
Dependent Claim
125 words
A PRESSED MEDICINAL TABLET WHICH IS RESISTANT TO BREAKAGE AND CHIPPING UNDER IMPACT BUT IS CAPABLE OF BEING CRUSHED AND DISINTEGRATED BY THE PRESSURE OF THE THUMB, SAID TABLET BEING COMPOSED OF ABOUT 30 TO 70% BY WEIGHT OF HARD, SPHEROIDAL MEDICINAL PELLETS OF ABOUT 10 TO 16 MESH, DISTRIBUTED IN ABOUT 70 TO 30% BY WEIGHT OF A COMMINUTED MATRIX WHICH IS COMPACTED INTO A HARD, STRONGLY COHESIVE MASS WHICH, IN THE FORM OF A TABLET COMPOSED WHOLLY THEREOF, IS HIGHLY RESISTANT TO BEING CRUSHED WITH THE THUMB, SAID TABLET ON APPLICATION OF THUMB PRESSURE WITH A TWISTING MOTION BEING READILY DISINTEGRABLE, BY REASON OF SHEARING FORCES TRANSMITTED BY SAID PELLETS, INTO A SUBSTANTIALLY POWDERED MATRIX CONTAINING THE SPHEROIDAL PELLETS IN SUBSTANTIALLY UNDAMAGED CONDITION.
References Cited (Backward Citations)
US2738303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |