US3122552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piperidine hexafluorophosphate and hexafluoroarsenate compounds
Assignee: Dow Chemical Co
•
Filing: 1962-06-04
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Granted: 1964-02-25
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Expires: 1982-06-04
Abstract
No abstract record available.
Inventors
- 👤 Hugh T Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:09
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; C07D295/027; C07F; C07F9/00; C07F9/66; C07F9/68
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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |