US3116253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of matter
Assignee: EIDP Inc
•
Filing: 1961-01-03
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Granted: 1963-12-31
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Lothar H Brixner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:22
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/0466; C01; C01B; C01B19/00; C01B19/007; C22C28/00; H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/852
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
76 words
A PROCESS FOR THE PRODUCTION OF A THERMOELECTRIC COMPOSITION OF MATTER COMPRISING FIRING IN A CLOSED SYSTEM, AT A TEMPERATURE OF FROM 700*C. TO 1100*C. FOR A PERIOD OF FROM 1 TO 1L HOURS, A POWDERED MIXTURE OF SILVER, A HEAVY METAL FROM THE GROUP CONSISTING OF COLUMBIUM, TANTALUM, MOLYBDENUM, AND TUNGSTEN, AND A CHALKOGEN SELECTED FROM THE GROUP CONSISTING OF SELENIUM AND TELLURIUM, THE ATOM RATIO OF SILVER TO HEAVY METAL TO CHALKOGEN BEING 2:1:3.
Claim 2
Dependent Claim
76 words
A PROCESS FOR THE PRODUCTION OF A THERMOELECTRIC COMPOSITION OF MATTER COMPRISING FIRING IN A CLOSED SYSTEM, AT A TEMPERATURE OF FROM 700*C. TO 1100*C. FOR A PERIOD OF FROM 1 TO 1L HOURS, A POWDERED MIXTURE OF SILVER, A HEAVY METAL FROM THE GROUP CONSISTING OF COLUMBIUM, TANTALUM, MOLYBDENUM, AND TUNGSTEN, AND A CHALKOGEN SELECTED FROM THE GROUP CONSISTING OF SELENIUM AND TELLURIUM, THE ATOM RATIO OF SILVER TO HEAVY METAL TO CHALKOGEN BEING 2:1:3.
Claim 3
Dependent Claim
49 words
A SUBSTANTIALLY HOMOGENEOUS CRYSTALLINE COMPOSITION OF MATTER HAVING THERMOELECTRIC PROPERTIES COMPRISING SILVER, A HEAVY METAL FROM THE GROUP CONSISTING OF COLUMBIUM, TANTALUM, MOLYBDENUM, AND TUNGSTEN, AND A CHALKOGEN SELECTED FROM THE GROUP CONSISTING OF SELENIUM AND TELLURIUM, THE ATOM RATIO OF SILVER TO HEAVY METAL TO CHALKOGEN BEING 2:1:3.
Claim 4
Dependent Claim
49 words
A SUBSTANTIALLY HOMOGENEOUS CRYSTALLINE COMPOSITION OF MATTER HAVING THERMOELECTRIC PROPERTIES COMPRISING SILVER, A HEAVY METAL FROM THE GROUP CONSISTING OF COLUMBIUM, TANTALUM, MOLYBDENUM, AND TUNGSTEN, AND A CHALKOGEN SELECTED FROM THE GROUP CONSISTING OF SELENIUM AND TELLURIUM, THE ATOM RATIO OF SILVER TO HEAVY METAL TO CHALKOGEN BEING 2:1:3.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |