US3455980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pentacoordinate silicon complexes of vicinal aliphatic diols
Assignee: Dow Silicones Corp
•
Filing: 1966-12-12
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Granted: 1969-07-15
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Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Cecil L Frye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:23
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/04; C07F7/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3360525A
Cited
US3355477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |