US3220199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric devices, and method and apparatus for producing thin thermocouple legs by extrusion
Assignee: Siemens Schuckertwerke AG
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Filing: 1962-02-20
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Granted: 1965-11-30
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Expires: 1982-02-20
Abstract
No abstract record available.
Inventors
- 👤 Hanlein Walter
- 👤 Schreiner Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:52
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/852; B; B21; B21C; B21C23/00; B21C23/002; B21C23/004; B21C23/21; B21C23/211; F; F25; F25B; F25B1/00; F25B1/02; F25B21/00; F25B21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A THERMOELECTRIC DEVICE COMPRISING AN INTEGRAL EXTRUDED ROD HAVING SERIES-CONNECTED ALTERNATING P-TYPE AND N-TYPE SEMICONDUCTOR SECTIONS JOINED DIRECTLY TO EACH OTHER TO PROVIDE A SERIES OF ALTERNATING HOT AND COLD JUNCTIONS, THE ROD HAVING A CROSS-SECTIONAL AREA NOT MORE THAN ABOUT TWENTY SQUARE MILLIMETERS, THE ROD HAVING BENDS AT LOCALITIES SPACED LENGTHWISE THEREOF AND LOCATED SO THAT SAID HOT AND COLD JUNCTIONS ARE LATERALLY OFFSET FROM EACH OTHER, THE HOT JUNCTIONS BEING ON ONE SIDE AND THE COLD JUNCTIONS ON THE OTHER.
Claim 2
Dependent Claim
82 words
A THERMOELECTRIC DEVICE COMPRISING AN INTEGRAL EXTRUDED ROD HAVING SERIES-CONNECTED ALTERNATING P-TYPE AND N-TYPE SEMICONDUCTOR SECTIONS JOINED DIRECTLY TO EACH OTHER TO PROVIDE A SERIES OF ALTERNATING HOT AND COLD JUNCTIONS, THE ROD HAVING A CROSS-SECTIONAL AREA NOT MORE THAN ABOUT TWENTY SQUARE MILLIMETERS, THE ROD HAVING BENDS AT LOCALITIES SPACED LENGTHWISE THEREOF AND LOCATED SO THAT SAID HOT AND COLD JUNCTIONS ARE LATERALLY OFFSET FROM EACH OTHER, THE HOT JUNCTIONS BEING ON ONE SIDE AND THE COLD JUNCTIONS ON THE OTHER.
References Cited (Backward Citations)
US2123416A
Cited
US1739620A
Cited
US2225424A
Cited
US2402663A
Cited
US2893554A
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GB689051A
Cited
US2740874A
Cited
US2794241A
Cited
US2783499A
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US2844638A
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US3002614A
Cited
US2937354A
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US3010196A
Cited
US2992539A
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US3051767A
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US3016715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |