US3920654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methyl-(4-methylphenyl)-substituted-tetra-zolo(1,5-a)pyrimidine
Assignee: Dow Chemical Co
•
Filing: 1974-03-14
•
Granted: 1975-11-18
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Expires: 1994-03-14
Abstract
Abstract Methyl-(4-methylphenyl)-substituted-tetrazolo-(1,5-a)pyrimidine and methods employing the same for the systemic protection of plants from soil-borne plant disease organisms.
Inventors
- 👤 Fred Y Edamura
- 👤 Ronald J Sbragia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:59
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A METHYL-(4-METHYLPHENYL)-SUBSTITUTED TETRAZOLO(1.5A)PYRIMIDINE COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
8 words
A METHYL-(4-METHYLPHENYL)-SUBSTITUTED TETRAZOLO(1.5A)PYRIMIDINE COMPOUND HAVING THE GENERAL 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) | 1978-11-17 | 1979-05-19 | 1979-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-17 | 1983-05-19 | 1983-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-17 | 1987-05-19 | 1987-11-18 | $7700.00 | Window Closed / Lapsed |