Patent US2911428A successfully refreshed from Google Patents.
US2911428A
Expired / Lapsed
US
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Halocyclobutyl substituted organosilicon compounds
Assignee: Dow Silicones Corp
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Filing: 1958-07-16
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Granted: 1959-11-03
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Expires: 1978-07-16
Abstract
No abstract record available.
Inventors
- 👤 Tarrant Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:37
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/24; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C07F7/0834; C07F7/0838; C07F7/12; C07F7/21
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
AN ORGANOSILANE HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
AN ORGANOSILANE HAVING THE FORMULA
Claim 3
Dependent Claim
9 words
AN ORGANOSILOXANE CONSISTING ESSENTIALLY OF UNITS OF THE FORMULA
Claim 4
Dependent Claim
9 words
AN ORGANOSILOXANE CONSISTING ESSENTIALLY OF UNITS OF THE FORMULA
References Cited (Backward Citations)
US2596967A
Cited
GB760201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |