Patent US3530849A successfully refreshed from Google Patents.
US3530849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode for making in vivo ionic measurements of venous blood
Assignee: Beckman Coulter Inc
•
Filing: 1965-05-05
•
Granted: 1970-09-29
•
Expires: 1985-05-05
Abstract
No abstract record available.
Inventors
- 👤 Hideo Watanabe
- 👤 Robert D Gafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:33
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/145; A61B5/14542; A61B5/14539; A61B5/1468; A61B5/1473; A61B2562/00; A61B2562/02; A61B2562/0209; A61B2562/0217
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) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |