US3266504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic titrator
Assignee: Individual
•
Filing: 1962-10-15
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Granted: 1966-08-16
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Sundstrom Karl Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:58
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/16; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/2496; Y10T137/2499; Y10T137/2509; Y10T436/00; Y10T436/11; Y10T436/115831; Y10T436/116664; Y10T436/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A TITRATOR FOR AUTOMATIC CONTROL OF TITRATION RATE AND INCLUDING TITRANT FEED MEANS FOR DELIVERING TITRANT TO A SAMPLE AT A VARIABLE RATE, AND ELECTRODE MEANS FOR GENERATING AN OUTPUT SIGNAL VARYING AS A FUNCTION OF SAMPLETITRANT MIXTURE CONDITION, THE COMBINATION OF: A SIGNAL DIFFERENTIATOR CIRCUIT, WITH SAID OUTPUT SIGNAL CONNECTED AS AN INPUT THERETO; A MODULATOR CIRCUIT HAVING A LOGARITHMIC OUTPUT CHARACTERISTIC, WITH THE OUTPUT OF SAID DIFFERENTIATOR CIRCUIT CONNECTED AS AN INPUT THERETO; AND AMPLIFIER MEANS FOR CONTROLLING SAID FEED MEANS, WITH THE OUTPUT OF SAID MODULATOR CIRCUIT CONNECTED AS AN INPUT THERETO.
Claim 2
Dependent Claim
96 words
IN A TITRATOR FOR AUTOMATIC CONTROL OF TITRATION RATE AND INCLUDING TITRANT FEED MEANS FOR DELIVERING TITRANT TO A SAMPLE AT A VARIABLE RATE, AND ELECTRODE MEANS FOR GENERATING AN OUTPUT SIGNAL VARYING AS A FUNCTION OF SAMPLETITRANT MIXTURE CONDITION, THE COMBINATION OF: A SIGNAL DIFFERENTIATOR CIRCUIT, WITH SAID OUTPUT SIGNAL CONNECTED AS AN INPUT THERETO; A MODULATOR CIRCUIT HAVING A LOGARITHMIC OUTPUT CHARACTERISTIC, WITH THE OUTPUT OF SAID DIFFERENTIATOR CIRCUIT CONNECTED AS AN INPUT THERETO; AND AMPLIFIER MEANS FOR CONTROLLING SAID FEED MEANS, WITH THE OUTPUT OF SAID MODULATOR CIRCUIT CONNECTED AS AN INPUT THERETO.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |