US2917530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beta-alkylvinyloxy-bis(trimethylsiloxy) alkylsilanes
Assignee: Union Carbide Corp
•
Filing: 1957-12-17
•
Granted: 1959-12-15
•
Expires: 1977-12-17
Abstract
No abstract record available.
Inventors
- 👤 Donald L Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:28
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AN ORGANOFUNCTIONAL SILOXANE SELECTED FROM THE GROP CONSISTING OF BETA-METHYLVINYLOXY-BIS(TRIMETHYLSILOXY)-METHYLSILANE AND BETA-ETHYLVINYLOXY-BIS(TRIMETHYLSILOXY)-ETHYLSILANE.
Claim 2
Dependent Claim
12 words
AN ORGANOFUNCTIONAL SILOXANE SELECTED FROM THE GROP CONSISTING OF BETA-METHYLVINYLOXY-BIS(TRIMETHYLSILOXY)-METHYLSILANE AND BETA-ETHYLVINYLOXY-BIS(TRIMETHYLSILOXY)-ETHYLSILANE.
References Cited (Backward Citations)
US2438520A
Cited
US2823218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |