US3155488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling undesirable plant growth
Assignee: Wyeth Holdings LLC
•
Filing: 1962-12-03
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Granted: 1964-11-03
•
Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Albert W Lutz
- 👤 Ralph G Child
- 👤 Bryant L Walworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:45
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/713; C; C07; C07D; C07D257/00; C07D257/02; C07D257/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A METHOD FOR THE CONTROL OF UNDESIRABLE PLANT GROWTH WHICH COMPRISES: APPLYING TO AN AREA TO BE PROTECTED FROM SUCH GROWTH AN S-TETRAZINE OF THE FORMULA:
Claim 2
Independent Claim
26 words
A METHOD FOR THE CONTROL OF UNDESIRABLE PLANT GROWTH WHICH COMPRISES: APPLYING TO AN AREA TO BE PROTECTED FROM SUCH GROWTH AN S-TETRAZINE OF THE FORMULA:
References Cited (Backward Citations)
FR866741A
Cited
US2369371A
Cited
US2817662A
Cited
US3037853A
Cited
US2964524A
Cited
US3043675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |