US2600222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for encapsulating substances
Assignee: Wyeth Holdings LLC
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Filing: 1949-12-30
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Granted: 1952-06-10
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Expires: 1969-12-30
Abstract
No abstract record available.
Inventors
- 👤 Alfonso M Donofrio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:40
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07; B; B65; B65B; B65B9/00; B65B9/02; B65B9/04; B65B9/042; Y; Y10; Y10S; Y10S264/00; Y10S264/37
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
APPARATUS FOR PRODUCING CAPSULES EACH CONTAINING A PREDETERMINED CONCENTRATION AND QUANTITY OF ACTIVE INGREDIENT COMPRISING, IN COMBINATION, MEANS FOR FEEDING TWO SHEETS OF RESILENT CAPSULATING MATERIAL ALONG CONVERGING PATHS AND INTO CONTACT WITH EACH OTHER, MEANS FOR DEFORMING DEFINED AREAS OF AT LEAST ONE OF SAID SHEET TO FORM POCKETS OF DEFINITE VOLUME, MEANS FOR PARTIALLY FILLING SAID POCKETS WITH MEASURED CHARGES OF ACTIVE INGREDIENT OF KNOWN CONCENTRATION, MEANS FOR MAINTAINING A POOL OF INERT LIQUID COMPATIBLE WITH SAID ACTIVE INGREDIENT IN THE SPACE BETWEEN THE CONVERGING SHEETS OF CAPSULATING MATERIAL AND AT A DEPTH AT LEAST SUFFICIENT TO COVER AND FILL EACH PARTIALLY FILLED POCKET WHILE PASSING THERETHROUGH, MEANS FOR SEALING SAID SHEETS OF CAPSULATING MATERIAL TOGETHER WHILE STILL WITHIN SAID POOL AND MEANS FOR SEVERING THE SEALED CAPSULES THUS FORMED FROM SAID SHEETS OF CAPSULATING MATERIAL.
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) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |