US3422131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoroalkoxyalkyl silanes
Assignee: United States Department of Agriculture
•
Filing: 1966-02-10
•
Granted: 1969-01-14
•
Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 Allen G Pittman
- 👤 William L Wasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:13
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/657; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/12; C07F7/18; C07F7/1804; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/24; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2924588A
Cited
US2967876A
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US2970150A
Cited
US3012006A
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US2966508A
Cited
US3038000A
Cited
US3132117A
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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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |