Patent US3547126A successfully refreshed from Google Patents.
US3547126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catheter
Assignee: BIOMEDICAL ENG ASSOCIATES Inc
•
Filing: 1968-02-15
•
Granted: 1970-12-15
•
Expires: 1988-02-15
Abstract
No abstract record available.
Inventors
- 👤 William C Birtwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:57
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |