US3433819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hexasubstituted-2-sila-1,3-dioxolanes
Assignee: EIDP Inc
•
Filing: 1966-09-22
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Granted: 1969-03-18
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Expires: 1986-09-22
Abstract
No abstract record available.
Inventors
- 👤 Robert A Braun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:21
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C10M2227/00; C10M2227/04; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 0
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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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |