US3511238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for transferring human fluids without clotting thereof
Assignee: Bio Medical Systems Inc
•
Filing: 1967-04-14
•
Granted: 1970-05-12
•
Expires: 1987-04-14
Abstract
No abstract record available.
Inventors
- 👤 Charles P E Von Wrangell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:14
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/36; A61M1/3672; A61M60/00; A61M60/10; A61M60/104; A61M60/109; A61M60/113; A61M60/30; A61M60/36; A61M60/37; A61M60/40; A61M60/424; A61M60/438; A61M60/441; A61M60/443; A61M60/446; A61M60/20; A61M60/247; A61M60/253; A61M60/268
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3140714A
Cited
US3145713A
Cited
US3384080A
Cited
US3410263A
Cited
US3382811A
Cited
US3411448A
Cited
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 |