Patent US2389931A successfully refreshed from Google Patents.
US2389931A
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Method for producing organosiliconhalides
Assignee: General Electric Co
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Filing: 1943-09-27
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Granted: 1945-11-27
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Expires: 1963-09-27
Abstract
No abstract record available.
Inventors
- 👤 Charles E Reed
- 👤 Jerome T Coe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/16; B; B01; B01J; B01J23/00; B01J23/70; B01J8/00; B01J8/18; B01J8/24; B01J8/38; B01J8/384; B01J8/388
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) | 1948-11-26 | 1949-05-28 | 1949-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-26 | 1953-05-28 | 1953-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-26 | 1957-05-28 | 1957-11-27 | $7700.00 | Window Closed / Lapsed |