Patent US2611811A successfully refreshed from Google Patents.
US3511239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-chamber syringe
Assignee: PENICILLIN GESELLSCHAFT DAUELSBERG AND CO
•
Filing: 1967-08-15
•
Granted: 1970-05-12
•
Expires: 1987-08-15
Abstract
No abstract record available.
Inventors
- 👤 Ludwig Tuschhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:07
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31596; A61M5/28; A61M5/284; A61M5/1782; A61M5/285; A61M5/288; A61M5/32; A61M5/34; A61M5/347
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |