US3293395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytes for electrolytic level switches
Assignee: Bendix Corp
•
Filing: 1965-10-08
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Granted: 1966-12-20
•
Expires: 1985-10-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Kenneth C Halliday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:33
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
AN ELECTROLYTE FOR USE IN A LEVEL SWITCH, CONSISTING ESSENTIALLY OF A LIQUID SOLUTION IN AN ALIPHATIC LINEAR ESTER HAVING AT LEAST 6 CARBON ATOMS AND NOT MORE THAN /2 CARBON ATOMS AND HAVING A LIQUID PHASE ABOVE -40 DEGREES CENTIGRADE AND AN ALIPHATIC NORMAL ALCOHOL HAVING AT LEAST 3 CARBON ATOM AND NOT MORE THAN 6 CARBON ATOMS AND HAVING A LIQUID PHASE IN A TEMPERATURE RANGE OF APPROXIMATELY -50 DEGRESS TO +100 DEGREES CENTIGRADE OF A HALOGEN SELECTED FROM THE GROUP CONSISTING OF IODINE AND BROMINE AND AN ALKALI METAL SALT OF THE HALOGEN SELECTED FROM THE GROUP CONSISTING OF SODIU, BROMIDE AND SODIUM IODIDE, THE ALCOHOL AND THE ESTER BEING PRESENT IN AMOUNTS OF APPROXIMATELY 1/3 AND 2/3 RESPECTIVELY, THE ALKALI METAL SALT BEING PRESENT IN AMOUNTS OF APPROXIMATELY 4 TO 5 GRAMS PER 100 CUBIC CENTIMETERS OF ALCOHOL AND ESTER AND THE HALOGEN BEING PRESENTS IN AMOUNTS OF APPROXIMATELY 2 TO 4 TIMES THAT OF THE ALKALI METAL SALT.
Claim 2
Dependent Claim
163 words
AN ELECTROLYTE FOR USE IN A LEVEL SWITCH, CONSISTING ESSENTIALLY OF A LIQUID SOLUTION IN AN ALIPHATIC LINEAR ESTER HAVING AT LEAST 6 CARBON ATOMS AND NOT MORE THAN /2 CARBON ATOMS AND HAVING A LIQUID PHASE ABOVE -40 DEGREES CENTIGRADE AND AN ALIPHATIC NORMAL ALCOHOL HAVING AT LEAST 3 CARBON ATOM AND NOT MORE THAN 6 CARBON ATOMS AND HAVING A LIQUID PHASE IN A TEMPERATURE RANGE OF APPROXIMATELY -50 DEGRESS TO +100 DEGREES CENTIGRADE OF A HALOGEN SELECTED FROM THE GROUP CONSISTING OF IODINE AND BROMINE AND AN ALKALI METAL SALT OF THE HALOGEN SELECTED FROM THE GROUP CONSISTING OF SODIU, BROMIDE AND SODIUM IODIDE, THE ALCOHOL AND THE ESTER BEING PRESENT IN AMOUNTS OF APPROXIMATELY 1/3 AND 2/3 RESPECTIVELY, THE ALKALI METAL SALT BEING PRESENT IN AMOUNTS OF APPROXIMATELY 4 TO 5 GRAMS PER 100 CUBIC CENTIMETERS OF ALCOHOL AND ESTER AND THE HALOGEN BEING PRESENTS IN AMOUNTS OF APPROXIMATELY 2 TO 4 TIMES THAT OF THE ALKALI METAL SALT.
References Cited (Backward Citations)
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |