Patent US2981734A successfully refreshed from Google Patents.
US2981734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perfluoroalkyl triazines
Assignee: —
•
Filing: —
•
Granted: 1961-04-25
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Expires: 1978-04-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:26
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/14; C07D251/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
THE PROCESS OF PREPARING 2,4,6-TRIS-PERFLUOROALKYL1,3,5-TRIAZINES OF THE FORMULA:
Claim 2
Dependent Claim
8 words
THE PROCESS OF PREPARING 2,4,6-TRIS-PERFLUOROALKYL1,3,5-TRIAZINES OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |