US2827415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heterocyclic compounds
Assignee: May and Baker Ltd
•
Filing: 1956-08-13
•
Granted: 1958-03-18
•
Expires: 1976-08-13
Abstract
No abstract record available.
Inventors
- 👤 Freeman Wilfred Arthur
- 👤 Pain David Lord
- 👤 Slack Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:51
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/38
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
A MEMBER OF THE CLASS CONSISTING OF THE 4-NITROSOPYRAZOLES OF THE FORMULA:
Claim 2
Dependent Claim
12 words
A MEMBER OF THE CLASS CONSISTING OF THE 4-NITROSOPYRAZOLES OF THE FORMULA:
Claim 3
Dependent Claim
35 words
THE PROCESS OF CONTROLLING FUNGUS GROWTH ON LIVING PLANTS WHICH COMPRISES APPLYING TO THE PLANT A FUNGICIDAL COMPOSITION HAVING AS AN ACTIVE INGREDIENT A MEMBER OF THE CLASS CONSISTING OF THE 4-NITROSOPYRAZOLES OF THE FORMULA:
Claim 4
Dependent Claim
35 words
THE PROCESS OF CONTROLLING FUNGUS GROWTH ON LIVING PLANTS WHICH COMPRISES APPLYING TO THE PLANT A FUNGICIDAL COMPOSITION HAVING AS AN ACTIVE INGREDIENT A MEMBER OF THE CLASS CONSISTING OF THE 4-NITROSOPYRAZOLES OF THE FORMULA:
References Cited (Backward Citations)
US2751395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |