Patent US1978829A successfully refreshed from Google Patents.
US1978829A
Expired / Lapsed
US
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Method and apparatus for drying capsules
Assignee: Parke Davis and Co LLC
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Filing: 1930-07-21
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Granted: 1934-10-30
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Expires: 1950-07-21
Abstract
No abstract record available.
Inventors
- 👤 Wilkie Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:42
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/14; F; F26; F26B; F26B15/00; F26B15/10; F26B15/12; F26B15/14; F26B21/00; F26B21/50; F26B21/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-10-29 | 1938-04-30 | 1938-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-10-29 | 1942-04-30 | 1942-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-10-29 | 1946-04-30 | 1946-10-30 | $7700.00 | Window Closed / Lapsed |