US2555796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil fumigant comprising fumaric dinitrile
Assignee: EIDP Inc
•
Filing: 1947-12-02
•
Granted: 1951-06-05
•
Expires: 1967-12-02
Abstract
No abstract record available.
Inventors
- 👤 Robert L Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:45
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
21 words
A METHOD FOR FUMIGATING AND DISINFECTING SOIL WHICH COMPRISES APPLYING TO AND MIXING WITH THE SOIL A COMPOSITION CONTAINING FUMARIC DINITRILE.
References Cited (Backward Citations)
US2356075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |