US3210216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing gold alloy and thermoelectric device produced therewith
Assignee: Westinghouse Electric Corp
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Filing: 1962-02-09
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Granted: 1965-10-05
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Expires: 1982-02-09
Abstract
No abstract record available.
Inventors
- 👤 Feduska William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:14
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3013; C; C22; C22C; C22C5/00; H; H10; H10N; H10N10/00; H10N10/80; H10N10/81; H10N10/817
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
29 words
A BRAZING ALLOY CONSISTING OF BY WEIGHT FROM ABOUT 0.2% TO 1% TIN, FROM 10% TO 12.7% ZINC AND THE BALANCE BEING GOLD WITH SMALL AMOUNTS OF INCIDENTAL IMPURITIES.
Claim 2
Dependent Claim
29 words
A BRAZING ALLOY CONSISTING OF BY WEIGHT FROM ABOUT 0.2% TO 1% TIN, FROM 10% TO 12.7% ZINC AND THE BALANCE BEING GOLD WITH SMALL AMOUNTS OF INCIDENTAL IMPURITIES.
Claim 3
Dependent Claim
123 words
A THERMOELECTRIC DEVICE COMPRISING AT LEAST ONE "N" LEG CONSISTING OF LEAD TELLURIDE AND AT LEAST ONE "P" LEG CONSISTING OF GERMANIUM BISMUTH TELLURIDE, THE ENDS OF "N" LEG HAVING A METALLIC DIFFUSION BARRIER LAYER OF AT LEAST 2 MILS THICKNESS, THE "P" AND "N" LEGS BEING CONNECTED AT ONE END BY AN ELECTRICAL AND THERMAL CONDUCTOR COMPRISING AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, NICKEL AND MOLYBDENUM, THE LEGS BEING JOINED TO SAID CONDUCTOR AT A TEMPERATURE OF FROM 625*C. TO 685*C., THE "N" LEG BEING JOINED BY A BRAZING ALLOY CONSISTING OF BY WEIGHT FROM ABOUT 0.2% TO 1% TIN, FROM 10% TO 12% ZINC AND THE BALANCE BEING GOLD WITH SMALL AMOUNTS OF INCIDENTAL IMPURITIES.
Claim 4
Dependent Claim
123 words
A THERMOELECTRIC DEVICE COMPRISING AT LEAST ONE "N" LEG CONSISTING OF LEAD TELLURIDE AND AT LEAST ONE "P" LEG CONSISTING OF GERMANIUM BISMUTH TELLURIDE, THE ENDS OF "N" LEG HAVING A METALLIC DIFFUSION BARRIER LAYER OF AT LEAST 2 MILS THICKNESS, THE "P" AND "N" LEGS BEING CONNECTED AT ONE END BY AN ELECTRICAL AND THERMAL CONDUCTOR COMPRISING AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, NICKEL AND MOLYBDENUM, THE LEGS BEING JOINED TO SAID CONDUCTOR AT A TEMPERATURE OF FROM 625*C. TO 685*C., THE "N" LEG BEING JOINED BY A BRAZING ALLOY CONSISTING OF BY WEIGHT FROM ABOUT 0.2% TO 1% TIN, FROM 10% TO 12% ZINC AND THE BALANCE BEING GOLD WITH SMALL AMOUNTS OF INCIDENTAL IMPURITIES.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |