Patent US3466228A successfully refreshed from Google Patents.
US3466228A
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Method for determining minor quantity of strong acid in major quantity of weak acid
Assignee: Tennessee Corp
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Filing: 1967-02-28
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Granted: 1969-09-09
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Expires: 1987-02-28
Abstract
No abstract record available.
Inventors
- 👤 Edward J Trebes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:06
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/4166; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/034; Y10T137/2496; Y10T137/2499; Y10T137/2509; Y10T436/00; Y10T436/15; Y10T436/153333; Y10T436/156666
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1915126A
Cited
US2607718A
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US2752307A
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US2782151A
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US3104946A
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US3262051A
Cited
US3178263A
Cited
US3294652A
Cited
US3216925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |