US3478076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Functional perfluoroalkylene organosilicon compounds
Assignee: Dow Silicones Corp
•
Filing: 1966-12-02
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Granted: 1969-11-11
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Expires: 1986-12-02
Abstract
No abstract record available.
Inventors
- 👤 Yung Ki Kim
- 👤 Ogden R Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:05
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0892; C07C; C07C57/00; C07C57/52; C07F7/12; C07F7/18; C07F7/1896; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/24; C08G77/26; C10; C10M; C10M105/00; C10M105/76; C10M107/00; C10M107/50; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/04; C10M2229/05; C10M2229/051; C10N; C10N2040/00; C10N2040/20; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3318843A
Cited
US2900363A
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US3065202A
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US3038000A
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US3112333A
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US3331813A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |