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Patent US2486992A successfully refreshed from Google Patents.
US2486992A
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Process for making organo-silicon compounds
Assignee: Individual
•
Filing: 1945-07-25
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Granted: 1949-11-01
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Expires: 1965-07-25
Abstract
No abstract record available.
Inventors
- 👤 Frank J Sowa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:36
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C08; C08G; C08G77/00; C08G77/04; C08G77/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2375998A
Cited
US2058844A
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US2182208A
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US2212992A
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US2276094A
Cited
US2384384A
Cited
US2398187A
Cited
US2390370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |