US2923657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for combating fungi
Assignee: Shell Development Co
•
Filing: 1953-09-25
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Granted: 1960-02-02
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Expires: 1973-09-25
Abstract
No abstract record available.
Inventors
- 👤 Dost Nicolaas
- 👤 Berkenbosch Rinke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:26
CPC Classifications
A; A01; A01N; A01N33/00; A01N33/16; A01N33/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
THE METHOD OF COMBATTING FUNGI WHICH COMPRISES SUBJECTING THE FUNGI TO THE ACTION OF A FUNGITOXIC AMOUNT OF A METAL SALT OF AN AR-NITROSOANILINE OF THE FORMULA
Claim 2
Independent Claim
27 words
THE METHOD OF COMBATTING FUNGI WHICH COMPRISES SUBJECTING THE FUNGI TO THE ACTION OF A FUNGITOXIC AMOUNT OF A METAL SALT OF AN AR-NITROSOANILINE OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |