US3410658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyanogen azide, compositions containing this compound, and the preparation of the same from cyanogen halides and metal azides
Assignee: EIDP Inc
•
Filing: 1962-08-09
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Granted: 1968-11-12
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Expires: 1982-08-09
Abstract
No abstract record available.
Inventors
- 👤 Marsh Frank Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:49
CPC Classifications
C; C07; C07C; C07C233/00; C01; C01B; C01B21/00; C01B21/08; C01C; C01C3/00; C01C3/008; C07C255/00; C07C255/63; C07C255/65; C07C255/67
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US720402A
Cited
US1032988A
Cited
US1779984A
Cited
US1890875A
Cited
US2414116A
Cited
US2391490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |