US3249469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductive material, semiconductive and thermoelectric devices
Assignee: US Philips Corp
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Filing: 1961-10-17
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Granted: 1966-05-03
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Expires: 1981-10-17
Abstract
No abstract record available.
Inventors
- 👤 Stegherr Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:28
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/852; H10D; H10D99/00; H10P; H10P95/00; Y; Y10; Y10S; Y10S420/00; Y10S420/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A SEMICONDUCTIVE MATERIAL CONSISTING ESSENTIALLY OF A HOMOGENEOUS PHASE HAVING A COMPOSITION FALLING WITHIN THE TRIANGLE ABC OF THE TERNARY DIAGRAM ILLUSTRATED IN FIG. 1, WHEREIN: A=21.4 AT. PERCENT X; 26.8 AT. PERCENT Y; 51.8 AT. PERCENT Z; B=20.0 AT. PERCENT X; 26.8 AT. PERCENT Y; 53-2 AT. PERCENT Z; C=18.0 AT. PERCENT X; 28.8 AT. PERCENT Y; 53.2 AT PERCENT Z; X REPRESENTS SILVER WITH UP TO 30 AT. PERCENT OF THE SILVER REPLACED BY AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF COPPER, THALLIUM AND GOLD; Y REPRESENTS ANTIMONY WITH UP TO 50 AT. PERCENT OF THE ANTIMONY REPLACED BY AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF BISMUTH AND ARSENIC; Z REPRESENTS TELLURUM WITH UP TO 50 AT. PERCENT OF THE TELLURIUM REPLACED BY AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF SELENIUM AND SULFUR.
Claim 2
Dependent Claim
144 words
A SEMICONDUCTIVE MATERIAL CONSISTING ESSENTIALLY OF A HOMOGENEOUS PHASE HAVING A COMPOSITION FALLING WITHIN THE TRIANGLE ABC OF THE TERNARY DIAGRAM ILLUSTRATED IN FIG. 1, WHEREIN: A=21.4 AT. PERCENT X; 26.8 AT. PERCENT Y; 51.8 AT. PERCENT Z; B=20.0 AT. PERCENT X; 26.8 AT. PERCENT Y; 53-2 AT. PERCENT Z; C=18.0 AT. PERCENT X; 28.8 AT. PERCENT Y; 53.2 AT PERCENT Z; X REPRESENTS SILVER WITH UP TO 30 AT. PERCENT OF THE SILVER REPLACED BY AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF COPPER, THALLIUM AND GOLD; Y REPRESENTS ANTIMONY WITH UP TO 50 AT. PERCENT OF THE ANTIMONY REPLACED BY AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF BISMUTH AND ARSENIC; Z REPRESENTS TELLURUM WITH UP TO 50 AT. PERCENT OF THE TELLURIUM REPLACED BY AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF SELENIUM AND SULFUR.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |