US3448031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic titrator
Assignee: TDK Micronas GmbH
•
Filing: 1964-05-04
•
Granted: 1969-06-03
•
Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Myron L Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:49
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/16; G01N31/166; G01N27/00; G01N27/26; G01N27/416; G01N27/42; G01N27/44
Claims Analysis
Total Claims: 0
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US3154477A
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US3272731A
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US3337440A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |