US3392097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing tetrafluoroethylene oxides by ultraviolet irradiation
Assignee: Montedison SpA
•
Filing: 1964-12-23
•
Granted: 1968-07-09
•
Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Franco Gozzo
- 👤 Giorgio Carraro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:05
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/125; C07C59/135; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12; C07C43/126; C07D; C07D303/00; C07D303/02; C07D303/48; Y; Y10; Y10S; Y10S522/00; Y10S522/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3242218A
Cited
FR1322597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |