US3442718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric device having a graphite member between thermoelement and refractory hot strap
Assignee: RCA Corp
•
Filing: 1965-10-23
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Granted: 1969-05-06
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Andrew G F Dingwall
- 👤 Dale K Wilde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:43
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/81; H10N10/817; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4252
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
90 words
A THERMOELECTRIC DEVICE COMPRISING A PAIR OF SEMICONDUCTOR MATERIAL THERMOELEMENTS OF OPPOSITE TYPE CONDUCTIVITY, AND A HOT STRAP JOINNG SAID THEMOELEMENTS, SAID HOT STRAP COMPRISING A REFRACTORY MEMBER OF A MATERIAL OTHER THAN GRAPHITE AND SAID THERMOELEMENT SEMICONDUCTOR MATERIALS, SAID REFRACTORY MEMBER HAVING A HIGH THERMAL AND ELECTRICAL CONDUCTIVITY, AND AT LEAST ONE MEMBER OF GRAPHITE, SAID REFRACTORY MEMBER AND SAID GRAPHITE MEMBER BEING BONDED TO ONE ANOTHER, AND SAID GRAPHITE MEMBER BEING BONDED TO ONE OF SAID THERMOELEMENTS AND BEING DISPOSED BETWEEN SAID ONE THERMOELEMENT AND SAID REFRACTORY MEMBER.
Claim 2
Dependent Claim
90 words
A THERMOELECTRIC DEVICE COMPRISING A PAIR OF SEMICONDUCTOR MATERIAL THERMOELEMENTS OF OPPOSITE TYPE CONDUCTIVITY, AND A HOT STRAP JOINNG SAID THEMOELEMENTS, SAID HOT STRAP COMPRISING A REFRACTORY MEMBER OF A MATERIAL OTHER THAN GRAPHITE AND SAID THERMOELEMENT SEMICONDUCTOR MATERIALS, SAID REFRACTORY MEMBER HAVING A HIGH THERMAL AND ELECTRICAL CONDUCTIVITY, AND AT LEAST ONE MEMBER OF GRAPHITE, SAID REFRACTORY MEMBER AND SAID GRAPHITE MEMBER BEING BONDED TO ONE ANOTHER, AND SAID GRAPHITE MEMBER BEING BONDED TO ONE OF SAID THERMOELEMENTS AND BEING DISPOSED BETWEEN SAID ONE THERMOELEMENT AND SAID REFRACTORY MEMBER.
Claim 3
Dependent Claim
43 words
A THERMOELECTRIC DEVICE COMPRISING THERMOELEMENTS OF A SILICON-GERMANIUM ALLOY, AND A HOT STRAP COMPRISING, IN THE ORDER NAMED, A GRPAHITE MEMBER INCLUDING SILICON, A LAYER OF A EUTECTIC OF TITANIUM, AND A TUNGSTEN MEMBER, AND SAID GRAPHITE MEMBER BEING BONDED TO SAID THERMOELEMENTS.
Claim 4
Dependent Claim
43 words
A THERMOELECTRIC DEVICE COMPRISING THERMOELEMENTS OF A SILICON-GERMANIUM ALLOY, AND A HOT STRAP COMPRISING, IN THE ORDER NAMED, A GRPAHITE MEMBER INCLUDING SILICON, A LAYER OF A EUTECTIC OF TITANIUM, AND A TUNGSTEN MEMBER, AND SAID GRAPHITE MEMBER BEING BONDED TO SAID THERMOELEMENTS.
References Cited (Backward Citations)
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US3342646A
Cited
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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) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |