Patent US3332768A successfully refreshed from Google Patents.
US3332768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of selectively destroying weeds
Assignee: Bayer Pharma AG
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Filing: 1964-10-20
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Granted: 1967-07-25
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Expires: 1984-10-20
Abstract
No abstract record available.
Inventors
- 👤 Heinz E Freund
- 👤 Rusch Reinhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:57
CPC Classifications
C; C07; C07C; C07C233/00; A; A01; A01N; A01N37/00; A01N37/18; A01N37/22; C07C233/01; C07C233/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A METHOD OF SELECTIVELY DESTROYING WEEDS IN A PLANT CROP WHICH COMPRISES APPLYING TO SAID CORP AND TO SAID WEEDS A HERBICIDAL AGENT AT A RATE SUFFICIENT TO DESTROY SAID WEEDS SUBSTANTIALLY WITHOUT DAMAGING SAID CROP, SAID AGENT BEING A COMPOUND OF THE FORMULA
Claim 2
Independent Claim
44 words
A METHOD OF SELECTIVELY DESTROYING WEEDS IN A PLANT CROP WHICH COMPRISES APPLYING TO SAID CORP AND TO SAID WEEDS A HERBICIDAL AGENT AT A RATE SUFFICIENT TO DESTROY SAID WEEDS SUBSTANTIALLY WITHOUT DAMAGING SAID CROP, SAID AGENT BEING A COMPOUND OF THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |