US3235957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing a thermoelectric device
Assignee: RCA Corp
•
Filing: 1964-05-20
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Granted: 1966-02-22
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Expires: 1984-05-20
Abstract
No abstract record available.
Inventors
- 👤 Carel W Horsting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:07
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/01; H10N10/80; H10N10/81; H10N10/817; H10N10/82; H10P; H10P95/00; Y; Y10; Y10S; Y10S269/00; Y10S269/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE METHOD OF BONDING A GERMANIUM-SILICON ALLOY BODY TO A TUNGSTEN BODY COMPRISING THE STEPS OF CONTACTING OPPOSING FACES OF SAID BODIES TO EACH OTHER IN A NONOXIDIZING AMBIENT, AND MAINTAINING SAID BODIES IN CONTACT WITH EACH OTHER WHILE HEATING SAID BODIES TO A PRE-SELECTED TEMPERATURE ABOVE THE MELTING TEMPERATURE OF GERMANIUM AND BELOW THE MELTING TEMPERATURES OF SAID BODIES FOR A TIME TO CAUSE A SUFFICIENT AMOUNT OF SILICON TO BE DEPLETED FROM SSAID GERMANIUM-SILICON ALLOY TO FORM A MATERIAL MOLTEN AT SAID PRE-SELECTED TEMPERATURE FOR BONDING SAID BODIES TOGETHER.
Claim 2
Independent Claim
91 words
THE METHOD OF BONDING A GERMANIUM-SILICON ALLOY BODY TO A TUNGSTEN BODY COMPRISING THE STEPS OF CONTACTING OPPOSING FACES OF SAID BODIES TO EACH OTHER IN A NONOXIDIZING AMBIENT, AND MAINTAINING SAID BODIES IN CONTACT WITH EACH OTHER WHILE HEATING SAID BODIES TO A PRE-SELECTED TEMPERATURE ABOVE THE MELTING TEMPERATURE OF GERMANIUM AND BELOW THE MELTING TEMPERATURES OF SAID BODIES FOR A TIME TO CAUSE A SUFFICIENT AMOUNT OF SILICON TO BE DEPLETED FROM SSAID GERMANIUM-SILICON ALLOY TO FORM A MATERIAL MOLTEN AT SAID PRE-SELECTED TEMPERATURE FOR BONDING SAID BODIES TOGETHER.
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |