US2600367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capsule drying and burnishing method
Assignee: Wyeth Holdings LLC
•
Filing: 1948-04-30
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Granted: 1952-06-10
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Expires: 1968-04-30
Abstract
No abstract record available.
Inventors
- 👤 Frank E Stirn
- 👤 Arthur S Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:41
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/4883; A61J; A61J3/00; A61J3/07; C; C09; C09H; C09H9/00; C09H9/04; Y; Y10; Y10S; Y10S264/00; Y10S264/37
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
THE PROCESS OF DRYING AND SHAPING SOFT GALATIN CAPSULES WHICH COMPRISES AGITATING SUCH SOFT GELATIN CAPSULES WITH SMALLER DISCRETE PARTICLES OF A NON-TOXIC DRYING AGENT, AT ABOUT ROOM TEMPERATURE FOR ABOUT 2 TO 3 HOURS.
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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) | 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 |