US3545439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medicated devices and methods
Assignee: Pharmacia and Upjohn Co
•
Filing: 1968-01-04
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Granted: 1970-12-08
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Expires: 1988-01-04
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:17
CPC Classifications
A; A61; A61D; A61D7/00; A61F; A61F6/00; A61F6/06; A61F6/08; A61K; A61K31/00; A61K31/557; A61K9/00; A61K9/0012; A61K9/0034; A61K9/0036; A61M; A61M31/00; A61M31/002; C; C07; C07C; C07C405/00
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) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |