US3521636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eye drop dispenser
Assignee: Warner Chilcott Pharmaceuticals Inc
•
Filing: 1967-07-17
•
Granted: 1970-07-28
•
Expires: 1987-07-17
Abstract
No abstract record available.
Inventors
- 👤 James J Mahoney
- 👤 Charles L Weckesser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:30
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/0008; A61F9/0026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1340662A
Cited
US3058466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |