US3158111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming tablets
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1962-06-06
•
Granted: 1964-11-24
•
Expires: 1982-06-06
Abstract
No abstract record available.
Inventors
- 👤 Allan M Raff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:08
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/0005; B30B15/0011; B30B11/00; B30B11/02; B30B11/08; Y; Y10; Y10S; Y10S425/00; Y10S425/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE STEPS IN THE METHOD OF FORMING A PHARMACEUTICAL TABLET IN A TABLET COMPRESSING MACHINE OF THE TYPE HAVING A MOLD AND PUNCH MEANS ADAPTED TO COOPERATE WITH THE MOLD, COMPRISING PERIODICALLY SPRAYING THE PUNCH MEANS AND THE INTERIOR OF THE MOLD WITH A PHARMACEUTICAL TABLET LUBRICANT IN AN AEROSOL SPRAY, REPEATEDLY INTRODUCING A PHARMACEUTICAL TABLET MIX SUBSTANTIALLY FREE OF TABLET LUBRICANT INTO THE MOLD AND COMPRESSING THE MIX WITH THE PUNCH MEANS TO FORM A TABLET.
Claim 2
Dependent Claim
77 words
THE STEPS IN THE METHOD OF FORMING A PHARMACEUTICAL TABLET IN A TABLET COMPRESSING MACHINE OF THE TYPE HAVING A MOLD AND PUNCH MEANS ADAPTED TO COOPERATE WITH THE MOLD, COMPRISING PERIODICALLY SPRAYING THE PUNCH MEANS AND THE INTERIOR OF THE MOLD WITH A PHARMACEUTICAL TABLET LUBRICANT IN AN AEROSOL SPRAY, REPEATEDLY INTRODUCING A PHARMACEUTICAL TABLET MIX SUBSTANTIALLY FREE OF TABLET LUBRICANT INTO THE MOLD AND COMPRESSING THE MIX WITH THE PUNCH MEANS TO FORM A TABLET.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |