Patent US3201220A successfully refreshed from Google Patents.
US3201220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal composition and method
Assignee: Diamond Shamrock Corp
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Filing: 1962-01-29
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Granted: 1965-08-17
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Harris
- 👤 Arthur L Galloway
- 👤 Lawrence E Limpel
- 👤 Paul H Schuldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:32
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02; A01N39/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE METHOD OF REGULATING THE GROWTH OF BROADLEAF WEEDS WHICH COMPRISES APPLYING TO THE SOIL AND WEEDS A HERBICIDAL AMOUNT OF A MIXTURE OF DIMETHYL 2,3,5,6-TETRACHLOROTEREPHTHALATE AND 2,4-DICHLOROPHENOXY ACETIC ACID, THE INGREDIENTS BEING EMPLOYED IN SUCH AMOUNTS AS TO BE MUTUALLY ACTIVATING.
Claim 2
Independent Claim
42 words
THE METHOD OF REGULATING THE GROWTH OF BROADLEAF WEEDS WHICH COMPRISES APPLYING TO THE SOIL AND WEEDS A HERBICIDAL AMOUNT OF A MIXTURE OF DIMETHYL 2,3,5,6-TETRACHLOROTEREPHTHALATE AND 2,4-DICHLOROPHENOXY ACETIC ACID, THE INGREDIENTS BEING EMPLOYED IN SUCH AMOUNTS AS TO BE MUTUALLY ACTIVATING.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |