US3405167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoroesters
Assignee: EIDP Inc
•
Filing: 1965-10-05
•
Granted: 1968-10-08
•
Expires: 1985-10-05
Abstract
No abstract record available.
Inventors
- 👤 Robert A Braun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:16
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C07; C07C; C07C67/00; C07C69/00; C07C69/62; C07C69/63; C07C69/66; C07C69/67; C07C69/675; C07C69/76; C07C69/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2921957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |