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Patent US3467674A successfully refreshed from Google Patents.
US3467674A
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US
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2,2,5,5-tetraperhaloalkyl-4,4-dialkoxy substituted-1,3-dioxolane
Assignee: EIDP Inc
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Filing: 1967-05-24
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Granted: 1969-09-16
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Expires: 1987-05-24
Abstract
No abstract record available.
Inventors
- 👤 Robert A Braun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:55
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/32; C07D317/34; C07D493/00; C07D493/02; C07D493/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3308064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |