Patent US3498899A successfully refreshed from Google Patents.
US3498899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical electrode assembly
Assignee: Beckman Coulter Inc
•
Filing: 1965-06-18
•
Granted: 1970-03-03
•
Expires: 1985-06-18
Abstract
No abstract record available.
Inventors
- 👤 John A R Kater
- 👤 John E Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:52
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/28; G01N27/30; G01N27/301; G01N27/401; Y; Y10; Y10S; Y10S65/00; Y10S65/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2288180A
Cited
US2760922A
Cited
US2846386A
Cited
US2925370A
Cited
US3065151A
Cited
US3103480A
Cited
US3264205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |