US2429883A
Expired / Lapsed
US
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Alkyl-dialkylaminosilanes
Assignee: Corning Glass Works
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Filing: 1946-05-16
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Granted: 1947-10-28
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Expires: 1966-05-16
Abstract
No abstract record available.
Inventors
- 👤 Johannson Oscar Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:39
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/10; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-27 | 1951-04-28 | 1951-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-27 | 1955-04-28 | 1955-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-27 | 1959-04-28 | 1959-10-28 | $7700.00 | Window Closed / Lapsed |