US3201235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot press fabrication of thermoelectric elements
Assignee: Lockheed Martin Corp
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Filing: 1962-07-02
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Granted: 1965-08-17
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 John J Mueller
- 👤 Seetoo Winston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:20
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/06; B22F7/08; B30; B30B; B30B11/00; B30B11/004; H; H10; H10N; H10N10/00; H10N10/80; H10N10/81; H10N10/817
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD OF SIMULTANEOUSLY FABRICATING A THERMOELECTRIC ELEMENT CHARACTERIZED BY SMALL GRAIN SIZE AND HIGH DENSITY AND BONDING THE SAME TO A METAL ELECTRODE COMPRISING THE STEPS OF: CONFINING A MASS OF POWDERED LEAD TELLURIDE MATERIAL IN CONTACT WITH AN EELECTRODE FORMED OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF; PURE IRON, 300 SERIES STAINLESS STEEL, AN ALUMINUM ALLOY STEEL, AN ALUMINUM CHROMIUM ALLOY STEEL, AND AN ALUMINUM
Claim 2
Independent Claim
69 words
A METHOD OF SIMULTANEOUSLY FABRICATING A THERMOELECTRIC ELEMENT CHARACTERIZED BY SMALL GRAIN SIZE AND HIGH DENSITY AND BONDING THE SAME TO A METAL ELECTRODE COMPRISING THE STEPS OF: CONFINING A MASS OF POWDERED LEAD TELLURIDE MATERIAL IN CONTACT WITH AN EELECTRODE FORMED OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF; PURE IRON, 300 SERIES STAINLESS STEEL, AN ALUMINUM ALLOY STEEL, AN ALUMINUM CHROMIUM ALLOY STEEL, AND AN ALUMINUM
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |