US2900385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dihydrotriazines and method of
Assignee: —
•
Filing: —
•
Granted: 1959-08-18
•
Expires: 1976-08-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:29
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/14; C07D251/16; C07D251/18; C07D401/00; C07D401/02; C07D401/12; C07D471/00; C07D471/02; C07D471/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND HAVING THE FOLLOWING STRUCTURE
Claim 2
Dependent Claim
6 words
A COMPOUND HAVING THE FOLLOWING STRUCTURE
References Cited (Backward Citations)
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Cited
US2803628A
Cited
US2836539A
Cited
US2273382A
Cited
US2389150A
Cited
US2515116A
Cited
US2517824A
Cited
US2541005A
Cited
US2621102A
Cited
US2714057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |