Patent US1629268A successfully refreshed from Google Patents.
Patent US2690038A successfully refreshed from Google Patents.
US2690038A
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US
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Liquid-filled capsule forming method and apparatus
Assignee: Wyeth Holdings LLC
•
Filing: 1950-07-19
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Granted: 1954-09-28
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Expires: 1970-07-19
Abstract
No abstract record available.
Inventors
- 👤 Stirn Frank Edwin
- 👤 Taylor Arthur Sinclair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:38
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07; Y; Y10; Y10S; Y10S264/00; Y10S264/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2152101A
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US2219578A
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US2323581A
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US2387747A
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US2530306A
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US2497212A
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US2513852A
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US2525649A
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US2600222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |