US3436453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface dyed edible gelatin capsule with pigment marking
Assignee: Wyeth Holdings LLC
•
Filing: 1967-07-24
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Granted: 1969-04-01
•
Expires: 1987-07-24
Abstract
No abstract record available.
Inventors
- 👤 James G Vincent Jr
- 👤 Lloyd Frank Hansen
- 👤 Ernest Chu Yen
- 👤 Arthur Sinclair Taylor
- 👤 George Spencer Bott
- 👤 Martin Greif
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:24
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/007; A61J2205/00; A61J2205/20; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24736
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1701811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |