US3394677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for surface dyeing of capsules
Assignee: Wyeth Holdings LLC
•
Filing: 1963-06-14
•
Granted: 1968-07-30
•
Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Taylor Arthur Sinclair
- 👤 Hansen Lloyd Frank
- 👤 Yen Ernest Chu
- 👤 Jr James G Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:23
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1144272A
Cited
US1701811A
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GB378331A
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US2155445A
Cited
US2234479A
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US2377964A
Cited
US2370955A
Cited
US2898714A
Cited
US3102052A
Cited
US3141792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |