Patent US3246952A successfully refreshed from Google Patents.
US3246952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titrating and recording apparatus
Assignee: E H SARGENT AND CO
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Filing: 1962-08-13
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Granted: 1966-04-19
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Expires: 1982-08-13
Abstract
No abstract record available.
Inventors
- 👤 Garfield A Dawe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:34
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A TITRATING AND RECORDING APPARATUS COMPRISING, A CELL FOR CONTAINING A SOLUTION AND PRODUCING A VOLTAGE OF VALUES CORRESPONDING TO THE CONDITION OF THE SOLUTION, A BURETTE FOR CONTINUOUSLY ADDING A STANDARD SOLUTION TO THE CELL FOR CHANGING THE CONDITION OF THE SOLUTION IN THE CELL, MEASURING AND RECORDING APPARATUS INCLUDING MEASURING MEANS RESPONSIVE TO THE RATE OF CHANGE OF THE VOLTAGE PRODUCED BY THE CELL, AN ADVANCING CHART GRADUATED WITH RESPECT TO THE CELL SOLUTION CONDITIONS AND THE ADVANCING MOVEMENT OF THE CHART, AND RECORDING MEANS CONTROLLED BY THE MEASURING MEANS FOR RECORDING ON THE CHART THE RATE OF CHANGE OF THE VOLTAGE AND HENCE THE RATE OF CHANGE OF THE CONDITION OF THE SOLUTION IN THE CELL, AND MOTOR MEANS FOR ADVANCING THE CHART AND OPERATING THE BURETTE IN TIMED RELATION SO THAT THE CHART ALSO RECORDS THE AMOUNT OF STANDARD SOLUTION ADDED BY THE BURETTE.
Claim 2
Dependent Claim
148 words
A TITRATING AND RECORDING APPARATUS COMPRISING, A CELL FOR CONTAINING A SOLUTION AND PRODUCING A VOLTAGE OF VALUES CORRESPONDING TO THE CONDITION OF THE SOLUTION, A BURETTE FOR CONTINUOUSLY ADDING A STANDARD SOLUTION TO THE CELL FOR CHANGING THE CONDITION OF THE SOLUTION IN THE CELL, MEASURING AND RECORDING APPARATUS INCLUDING MEASURING MEANS RESPONSIVE TO THE RATE OF CHANGE OF THE VOLTAGE PRODUCED BY THE CELL, AN ADVANCING CHART GRADUATED WITH RESPECT TO THE CELL SOLUTION CONDITIONS AND THE ADVANCING MOVEMENT OF THE CHART, AND RECORDING MEANS CONTROLLED BY THE MEASURING MEANS FOR RECORDING ON THE CHART THE RATE OF CHANGE OF THE VOLTAGE AND HENCE THE RATE OF CHANGE OF THE CONDITION OF THE SOLUTION IN THE CELL, AND MOTOR MEANS FOR ADVANCING THE CHART AND OPERATING THE BURETTE IN TIMED RELATION SO THAT THE CHART ALSO RECORDS THE AMOUNT OF STANDARD SOLUTION ADDED BY THE BURETTE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |