US2977212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal compositions and methods
Assignee: Heyden Newport Chemical Corp
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Filing: 1958-06-02
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Granted: 1961-03-28
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Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Tischler Nathaniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:59
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/10; C; C07; C07C; C07C57/00; C07C57/52; C07C57/58
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
40 words
A METHOD FOR CONTROLLING THE GROWTH OF VEGETATION WHICH COMPRISES APPLYING TO THE MEDIA TO BE TREATED A COMPOSITION COMPRISING AS AN ACTIVE INGREDIENT A HERBICIDE SELECTED FROM THE GROUP CONSISTING OF 2,3,6-TRICHLOROPHENYLACETIC ACID AND THE SALTS OF SAID ACID.
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) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |