Patent EP0411170A1 successfully refreshed from Google Patents.
US2634285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acyloxy silanes
Assignee: Ellis Foster Co
•
Filing: 1947-03-27
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Granted: 1953-04-07
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Expires: 1967-03-27
Abstract
No abstract record available.
Inventors
- 👤 John B Rust
- 👤 Joy Homer Van Beuren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:42
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
AN OCTYL ACYLOXY SILANE.
Claim 2
Dependent Claim
4 words
AN OCTYL ACYLOXY SILANE.
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) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |