Patent US3258477A successfully refreshed from Google Patents.
US3258477A
Expired / Lapsed
US
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Acryloxyalkylsilanes and compositions thereof
Assignee: Dow Silicones Corp
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Filing: 1964-02-03
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Granted: 1966-06-28
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Expires: 1984-02-03
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Plueddemann
- 👤 Harold A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:45
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0892; C07F7/10; C07F7/12; C07F7/18; C07F7/1804; C08; C08F; C08F30/00; C08F30/04; C08F30/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
AN ORGANOSILANE OF THE FORMULA
Claim 2
Dependent Claim
5 words
AN ORGANOSILANE OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |