US3427336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine containing organosilicon compounds and method of making
Assignee: 3M Co
•
Filing: 1965-03-22
•
Granted: 1969-02-11
•
Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 George Van Dyke Tiers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:34
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/24; C11D3/245; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/18; C07F7/1804; C07F7/1896; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/24; C11D3/162; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732398A
Cited
US2715113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |