US2966518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing nitrtogen-containing chemical compounds
Assignee: Bristol Myers Co
•
Filing: 1957-07-22
•
Granted: 1960-12-27
•
Expires: 1977-07-22
Abstract
No abstract record available.
Inventors
- 👤 Johnson David Aaron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:07
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2738349A
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US1752617A
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US2050169A
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US2553093A
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US2582292A
Cited
US2698867A
Cited
US2716134A
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US2659756A
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US2669582A
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US2746992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |