US3372997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ternary copper, zinc, cadmium and manganese dichalcogenides having the pyrite-type crystal structure
Assignee: EIDP Inc
•
Filing: 1966-12-22
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Granted: 1968-03-12
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Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Tom A Bither
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:04
CPC Classifications
C; C01; C01B; C01B19/00; C01B19/007; C01G; C01G1/00; C01G1/12; C01P; C01P2002/00; C01P2002/70; C01P2002/72; C01P2002/76; C01P2002/77; C01P2006/00; C01P2006/40; C01P2006/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3008797A
Cited
US3298777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |