US3188336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trifluoromethyl-hydrocarbon dichloro silanes
Assignee: Individual
•
Filing: 1958-07-10
•
Granted: 1965-06-08
•
Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 Robert N Haszeldine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:11
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/0834; C07F7/0838; C07F7/18; C07F7/1804; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2439689A
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US2460795A
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US2481052A
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US2532583A
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US2721873A
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US2934549A
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US2894969A
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US2838423A
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US3070617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |