Patent US3439633A successfully refreshed from Google Patents.
US3439633A
Expired / Lapsed
US
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Apparatus and process for manufacturing spherical cores for an orally administrable substance
Assignee: Individual
•
Filing: 1967-04-17
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Granted: 1969-04-22
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Expires: 1987-04-17
Abstract
No abstract record available.
Inventors
- 👤 Zbigniew Pawlak
- 👤 Kazimierz Michalski
- 👤 Jerzy Surowiecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:06
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/06; A61K; A61K9/00; A61K9/14; A61K9/16
Claims Analysis
Total Claims: 0
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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) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |