US2803638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing chlorophenylchlorosilanes
Assignee: General Electric Co
•
Filing: 1954-08-18
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Granted: 1957-08-20
•
Expires: 1974-08-18
Abstract
No abstract record available.
Inventors
- 👤 Norman G Holdstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:25
CPC Classifications
C; C10; C10M; C10M7/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/121; C07F7/127; D; D06; D06M; D06M13/00; D06M13/50; D06M13/51; D06M13/513; D06M13/517; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
THE PROCESS WHICH COMPRISES FORMING A SOLUTION COMPOSED OF (A) A PHENYLCHLOROSILANE CORRESPONDING TO THE GENERAL FORMULA
Claim 2
Dependent Claim
17 words
THE PROCESS WHICH COMPRISES FORMING A SOLUTION COMPOSED OF (A) A PHENYLCHLOROSILANE CORRESPONDING TO THE GENERAL FORMULA
References Cited (Backward Citations)
BE502052A
Cited
US1890772A
Cited
US2131259A
Cited
US2258219A
Cited
GB673322A
Cited
US2739165A
Cited
US2716129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |