US2834654A
Expired / Lapsed
US
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Method and apparatus for automatic amperometric titration
Assignee: Individual
•
Filing: 1954-02-01
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Granted: 1958-05-13
•
Expires: 1974-02-01
Abstract
No abstract record available.
Inventors
- 👤 Murayama Makio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:01
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/16; Y; Y10; Y10T; Y10T436/00; Y10T436/11; Y10T436/115831; Y10T436/116664
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
IN A METHOD FOR AUTOMATIC AMPEROMETRIC TITRATION, THE STEPS WHICH INCLUDE: UNINTERRUPTEDLY INSERTING MATERIAL TO BE TITRATED INTO A TITRATING VESSEL WHILE CONSTANTLY AGITATING SAID TITRATING MATERIAL; CONTINUALLY UNINTERRUPTEDLY AND GRAPHICALLY MEASURING THE AMPEROMETRIC CHARACTERISTICS OF THE SAID MATERIAL TO BE TITRATED; ADDING A TITRANT TO SAID MATERIAL TO BE TITRATED AT A CONSTANT RATE WHILE SYNCHRONIZING THE AUTOMATIC AMPEROMETRIC MEASUREMENTS WITH THE ADDITION OF TITRANT.
References Cited (Backward Citations)
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US1684645A
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US2047727A
Cited
US2666691A
Cited
US2650256A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |