Patent US3067230A successfully refreshed from Google Patents.
US3067230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing organosilicon compounds
Assignee: General Electric Co
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Filing: 1961-05-31
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Granted: 1962-12-04
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Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 Paul F Silva
- 👤 Norman G Holdstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:26
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C08; C08G; C08G77/00; C08G77/48; C08G77/50; C08G77/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A PROCESS FOR PRODUCING A BIS-(DIORGANOHALOSILY) AROMATIC HYDROCARBON HAVING THE FORMULA
Claim 2
Dependent Claim
11 words
A PROCESS FOR PRODUCING A BIS-(DIORGANOHALOSILY) AROMATIC HYDROCARBON HAVING THE FORMULA
References Cited (Backward Citations)
US2561429A
Cited
US2774779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |