US3364216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4, 6-diamino-s-triazinylethyl phosphines and phosphine oxides
Assignee: Wyeth Holdings LLC
•
Filing: 1965-10-18
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Granted: 1968-01-16
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Johnson Gerald Alvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:34
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0014; C08J9/0038; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6515; C07F9/6521; C08K; C08K5/00; C08K5/49; C08K5/50; C08K5/51; C08K5/53; C08K5/5397; C08J2375/00; C08J2375/04; Y; Y10; Y10S; Y10S156/00; Y10S156/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3305436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |