Patent US3222159A successfully refreshed from Google Patents.
US3222159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of destroying undesirable plant growth
Assignee: BASF SE
•
Filing: 1964-04-13
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Granted: 1965-12-07
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Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Reicheneder Franz
- 👤 Dury Karl
- 👤 Stummeyer Herbert
- 👤 Fischer Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:17
CPC Classifications
C; C07; C07D; C07D413/00; C07D413/02; C07D413/04; A; A01; A01N; A01N43/00; A01N43/48; A01N43/58; C07D237/00; C07D237/02; C07D237/06; C07D237/10; C07D237/14; C07D237/16; C07D237/22; C07D403/00; C07D403/02; C07D403/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A METHOD OF CONTROLLING WEEDS WHICH COMPRISES TREATING THE WEEDS WITH A PHYTOTOXIC AMOUNT OF A COMPOUND OF THE FORMULA:
Claim 2
Independent Claim
20 words
A METHOD OF CONTROLLING WEEDS WHICH COMPRISES TREATING THE WEEDS WITH A PHYTOTOXIC AMOUNT OF A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2945857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |