Patent US3479255A successfully refreshed from Google Patents.
US3479255A
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US
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Electrochemical transducer
Assignee: Beckman Coulter Inc
•
Filing: 1964-01-27
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Granted: 1969-11-18
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Expires: 1984-01-27
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:35
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/28; G01N27/30; Y; Y10; Y10S; Y10S435/00; Y10S435/817
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2755243A
Cited
US2829090A
Cited
US3228799A
Cited
US3075887A
Cited
US3296113A
Cited
US3403081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |