US3061415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treatment of hydrocarbons
Assignee: Societe Belge de lAzote et des Produits Chimiques du Marly SA
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Filing: 1959-05-27
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Granted: 1962-10-30
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Expires: 1979-05-27
Abstract
No abstract record available.
Inventors
- 👤 Frederic F A Braconier
- 👤 Jean J L E Riga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:43
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/14; G08; G08B; G08B17/00; G08B17/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN APPARATUS FOR DETECTING A TEMPERATURE CHANGE INN ANY ONE OF A PLURALITY OF CHANNELS CONTAINING PORTIONS OF A GAS MIXTURE LIKELY TO IGNITE AND CAUSE A FLASH-BACK, THE COMBINATION WHICH COMPRISES A PLURALITY OF THERMOCOUPLES FOR SENSING THE TEMPERATURE IN SAID PLURALITY OF CHANNELS, EACH OF SAID THERMOCOUPLES INDICATING TEMPERATURE SENSED THEREBY AS AN ELECTRICAL POTENTIAL PROPORTIONAL TO SAID TEMPERATURE, MEANS FOR CONNECTING SAID THERMOCOUPLES INTO A CIRCUIT FOR ADDING SAID ELECTRICAL POTENTIALS PRODUCED THEREBY, HALF OF SAID THERMOCOUPLES BEING CON-
Claim 2
Dependent Claim
82 words
IN APPARATUS FOR DETECTING A TEMPERATURE CHANGE INN ANY ONE OF A PLURALITY OF CHANNELS CONTAINING PORTIONS OF A GAS MIXTURE LIKELY TO IGNITE AND CAUSE A FLASH-BACK, THE COMBINATION WHICH COMPRISES A PLURALITY OF THERMOCOUPLES FOR SENSING THE TEMPERATURE IN SAID PLURALITY OF CHANNELS, EACH OF SAID THERMOCOUPLES INDICATING TEMPERATURE SENSED THEREBY AS AN ELECTRICAL POTENTIAL PROPORTIONAL TO SAID TEMPERATURE, MEANS FOR CONNECTING SAID THERMOCOUPLES INTO A CIRCUIT FOR ADDING SAID ELECTRICAL POTENTIALS PRODUCED THEREBY, HALF OF SAID THERMOCOUPLES BEING CON-
References Cited (Backward Citations)
US1618474A
Cited
US2733287A
Cited
US1987642A
Cited
US2280353A
Cited
US2351277A
Cited
US2482238A
Cited
US2518804A
Cited
US2838585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |