US3229071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistorized temperature control circuit arrangement
Assignee: MANSON LAB Inc
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Filing: 1960-03-17
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Granted: 1966-01-11
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Expires: 1980-03-17
Abstract
No abstract record available.
Inventors
- 👤 Wisz Dimitri
- 👤 Jonas M Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:08
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/27539
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
AN OVEN ARRANGEMENT COMPRISING, IN COMBINATION, A TRANSISTOR HAVING EMITTER, COLLECTOR AND BASE ELECTRODES, AN EMITTER-BASE PATH BETWEEN AN EMITTER AND BASE ELECTRODE THEREOF, AN EMITTER-COLLECTOR PATH BETWEEN AN EMITTER AND COLLECTOR ELECTRODE THEREOF AND A COLLECTOR-BASE PATH BETWEEN A COLLECTOR AND BASE ELECTRODE THEREOF, A HEATING WINDING ADAPTED TO HEAT SAID OVEN ARRANGEMENT AND CONNECTED IN SERIES CIRCUIT ARRANGEMENT WITH THE EMITTER-COLLECTOR PATH OF SAID TRANSISTOR, MEANS FOR APPLYING A VOLTAGE ACROSS SAID SERIES CIRCUIT ARRANGEMENT, AND HEAT SENSITIVE SWITCHING MEANS POSITIONED IN SAID OVEN ARRANGEMENT AND CONNECTED ACROSS THE EMITTER-BASE PATH OF SAID TRANSISTOR FOR CONTROLLING THE CONDUCTIVE CONDITION OF THE SAID TRANSISTOR AND THEREFORE THE ENERGIZATION CONDITION OF SAID HEATING WINDING IN ACCORDANCE WITH THE TEMPERATURE OF A SELECTED AREA IN SAID OVEN ARRANGEMENT WHEREBY THE TEMPERATURE OF SAID OVEN ARRANGEMENT IS CONTROLLED WITH GREAT PRECISION.
Claim 2
Dependent Claim
139 words
AN OVEN ARRANGEMENT COMPRISING, IN COMBINATION, A TRANSISTOR HAVING EMITTER, COLLECTOR AND BASE ELECTRODES, AN EMITTER-BASE PATH BETWEEN AN EMITTER AND BASE ELECTRODE THEREOF, AN EMITTER-COLLECTOR PATH BETWEEN AN EMITTER AND COLLECTOR ELECTRODE THEREOF AND A COLLECTOR-BASE PATH BETWEEN A COLLECTOR AND BASE ELECTRODE THEREOF, A HEATING WINDING ADAPTED TO HEAT SAID OVEN ARRANGEMENT AND CONNECTED IN SERIES CIRCUIT ARRANGEMENT WITH THE EMITTER-COLLECTOR PATH OF SAID TRANSISTOR, MEANS FOR APPLYING A VOLTAGE ACROSS SAID SERIES CIRCUIT ARRANGEMENT, AND HEAT SENSITIVE SWITCHING MEANS POSITIONED IN SAID OVEN ARRANGEMENT AND CONNECTED ACROSS THE EMITTER-BASE PATH OF SAID TRANSISTOR FOR CONTROLLING THE CONDUCTIVE CONDITION OF THE SAID TRANSISTOR AND THEREFORE THE ENERGIZATION CONDITION OF SAID HEATING WINDING IN ACCORDANCE WITH THE TEMPERATURE OF A SELECTED AREA IN SAID OVEN ARRANGEMENT WHEREBY THE TEMPERATURE OF SAID OVEN ARRANGEMENT IS CONTROLLED WITH GREAT PRECISION.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |