Patent US2530202A successfully refreshed from Google Patents.
US2530202A
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Halogenohydrocarbon derivatives of silanes
Assignee: Dow Silicones Corp
•
Filing: 1949-12-02
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Granted: 1950-11-14
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Expires: 1969-12-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles F Kohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:47
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/0803; C07F7/081
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
5 words
COMPOSITIONS OF THE GENERAL FOMULA:
Claim 2
Dependent Claim
5 words
COMPOSITIONS OF THE GENERAL FOMULA:
Claim 3
Dependent Claim
1 words
F3C-(PHENYLENE)-SI(-CL)2-CCLH2
Claim 4
Dependent Claim
1 words
F3C-(PHENYLENE)-SI(-CL)2-CCLH2
Claim 5
Dependent Claim
1 words
(F3C-(PHENYLENE)-)2-SI(-CL)-CCLH2
Claim 6
Dependent Claim
1 words
(F3C-(PHENYLENE)-)2-SI(-CL)-CCLH2
Claim 7
Dependent Claim
1 words
F3C-(PHENYLENE)-SI(-CL)(-CH3)-CCLH2
Claim 8
Dependent Claim
1 words
F3C-(PHENYLENE)-SI(-CL)(-CH3)-CCLH2
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) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |