US3467686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of organosilicon-nitrogen compounds
Assignee: Union Carbide Corp
•
Filing: 1967-10-03
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Granted: 1969-09-16
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Expires: 1987-10-03
Abstract
No abstract record available.
Inventors
- 👤 Charles Edward Creamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:23
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/10; C03; C03C; C03C17/00; C03C17/28; C03C17/30; C14; C14C; C14C9/00; D; D06; D06M; D06M13/00; D06M13/50; D06M13/51; D06M13/513
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2579416A
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US2503919A
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US2564674A
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US2579417A
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US2579418A
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US2865885A
Cited
US2865918A
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US3007886A
Cited
US3143514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |