US3695867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric alloys
Assignee: Teledyne Inc
•
Filing: 1970-02-02
•
Granted: 1972-10-03
•
Expires: 1990-02-02
Abstract
Abstract IMPROVED ALLOYS SUITABLE FOR THERMOELECTRIC APPLICATIONS AND HAVING THE GENERAL FORMULA: (AGSBTE2)1-X+(GETE)X WHEREIN X HAS A VALUE OF ABOUT .80 AND .85, HAVE BEEN FOUND TO POSSESS UNEXPECTEDLY HIGH THERMOELECTRIC PROPERTIES SUCH AS EFFICIENCY INDEX, AS WELL AS OTHER IMPROVED PHYSICAL PROPERTIES.
Inventors
- 👤 Emanuel Andrew Skrabek
- 👤 Donald Smith Trimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:35
CPC Classifications
C; C22; C22C; C22C28/00; H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/852; Y; Y10; Y10S; Y10S420/00; Y10S420/903
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |