US3364014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductive alloy composition having thermoelectric properties
Assignee: 3M Co
•
Filing: 1964-05-13
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Granted: 1968-01-16
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Expires: 1984-05-13
Abstract
No abstract record available.
Inventors
- 👤 Russell E Fredrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:45
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/852; C; C22; C22C; C22C11/00; C22C28/00; Y; Y10; Y10S; Y10S420/00; Y10S420/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A P-TYPE SEMICONDUCTIVE ALLOY COMPOSITION HAVING USEFUL THERMOELECTRIC PROPERTIES COMPRISING (1)
Claim 2
Dependent Claim
11 words
A P-TYPE SEMICONDUCTIVE ALLOY COMPOSITION HAVING USEFUL THERMOELECTRIC PROPERTIES COMPRISING (1)
References Cited (Backward Citations)
US3018312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |