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US2736288A
Expired / Lapsed
US
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Automatic tablet coating apparatus
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1954-05-28
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Granted: 1956-02-28
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Expires: 1974-05-28
Abstract
No abstract record available.
Inventors
- 👤 Edward B Clay
- 👤 Angelo Alfred J D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:15
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/005; A23; A23G; A23G3/00; A23G3/02; A23G3/20; A23G3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
APPARATUS FOR COATING SMALL OBJECTS COMPRISING A ROTATABLE COATING PAN, MEANS FOR ROTATING SAID PAN, A CONTAINER FOR COATING LIQUID, A PUMP HAVING ITS INTAKE SIDE CONNECTED TO SAID CONTAINER, AN OPEN DISCHARGE LINE CONNECTED TO SAID PUMP AND TERMINATING IN SAID COATING PAN, MEANS FOR PROVIDING A FLOW OF AIR THROUGH SAID PAN, CONTROL MEANS RESPONSIVE TO THE FLOW OF AIR, AND TIMER MEANS RESPONSIVE TO SAID CONTROL MEANS FOR ACTUATING AT FIXED INTERVALS OF TIME FOR A PREDETERMINED LENGTH OF TIME.
Claim 2
Dependent Claim
83 words
APPARATUS FOR COATING SMALL OBJECTS COMPRISING A ROTATABLE COATING PAN, MEANS FOR ROTATING SAID PAN, A CONTAINER FOR COATING LIQUID, A PUMP HAVING ITS INTAKE SIDE CONNECTED TO SAID CONTAINER, AN OPEN DISCHARGE LINE CONNECTED TO SAID PUMP AND TERMINATING IN SAID COATING PAN, MEANS FOR PROVIDING A FLOW OF AIR THROUGH SAID PAN, CONTROL MEANS RESPONSIVE TO THE FLOW OF AIR, AND TIMER MEANS RESPONSIVE TO SAID CONTROL MEANS FOR ACTUATING AT FIXED INTERVALS OF TIME FOR A PREDETERMINED LENGTH OF TIME.
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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |