Patent US2775267A successfully refreshed from Google Patents.
US2775267A
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Method and apparatus for filling capsules
Assignee: Wyeth Holdings LLC
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Filing: 1953-04-27
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Granted: 1956-12-25
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Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 Frank E Stirn
- 👤 Arthur S Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:57
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07; Y; Y10; Y10S; Y10S264/00; Y10S264/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE METHOD OF FILLING FLOWABLE POWDER INTO SOFT PLASTIC CAPSULE SHELLS WHICH COMPRISES: CONTINUOUSLY MOVING IN A CIRCULAR PATH A CONTINUOUS PLASTIC STRIP HAVING A PLURALITY OF CAPSULE SHELLS FORMED THEREIN, SEALING A GROUP OF FLOWABLE POWDER SOURCES IN A FILLER HEAD BLOCK ADJACENT TO A MOVING GROUP OF SUCH CAPSULE SHELLS, ONE SUCH SOURCE FOR EACH SUCH SHELL, WITH SAID BLOCK RESTING ON THE PLASTIC STRIP WHICH ITSELF FORMS A RESILIENT PART OF THE SEAL, REDUCING THE PRESSURE WITHIN EACH OF THE SEALED SHELLS WHEREBY POWDER FLOWS INTO SAID EACH SEALED SHELL, AND RETAINING THE FLOW OF POWDER OUTWARDLY FROM EACH
Claim 2
Independent Claim
102 words
THE METHOD OF FILLING FLOWABLE POWDER INTO SOFT PLASTIC CAPSULE SHELLS WHICH COMPRISES: CONTINUOUSLY MOVING IN A CIRCULAR PATH A CONTINUOUS PLASTIC STRIP HAVING A PLURALITY OF CAPSULE SHELLS FORMED THEREIN, SEALING A GROUP OF FLOWABLE POWDER SOURCES IN A FILLER HEAD BLOCK ADJACENT TO A MOVING GROUP OF SUCH CAPSULE SHELLS, ONE SUCH SOURCE FOR EACH SUCH SHELL, WITH SAID BLOCK RESTING ON THE PLASTIC STRIP WHICH ITSELF FORMS A RESILIENT PART OF THE SEAL, REDUCING THE PRESSURE WITHIN EACH OF THE SEALED SHELLS WHEREBY POWDER FLOWS INTO SAID EACH SEALED SHELL, AND RETAINING THE FLOW OF POWDER OUTWARDLY FROM EACH
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |