US3285729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal soil fumigation
Assignee: Hooker Chemical Corp
•
Filing: 1962-11-30
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Granted: 1966-11-15
•
Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 Edward D Weil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:53
CPC Classifications
A; A01; A01N; A01N29/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A METHOD FOR THE CONTROL OF SUB-SURFACE VEGETATION WHICH COMPRISES APPLYING A PHYTOTOXIC AMOUNT OF A HALOGENATED AROMATIC COMPOUND OF THE FORMULA:
Claim 2
Independent Claim
22 words
A METHOD FOR THE CONTROL OF SUB-SURFACE VEGETATION WHICH COMPRISES APPLYING A PHYTOTOXIC AMOUNT OF A HALOGENATED AROMATIC COMPOUND 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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |