US3253902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of controlling weeds
Assignee: Bayer AG
•
Filing: 1957-12-10
•
Granted: 1966-05-31
•
Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 Munz Ferdinand
- 👤 Eue Ludwig
- 👤 Delfs Detlef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:04
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/16; A61K31/17; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A METHOD OF CONTROLLING WEEDS WHICH COMPRISES APPLYING TO A LOCUS TO BE PROTECTED FROMTHE WEEDS, IN AN AMOUNT SUFFICIENT TO EXERT AN HRBICIDAL ACTION, AN ACTIVE INGREDIENT REPRESENTED BY THE FORMULA
Claim 2
Independent Claim
32 words
A METHOD OF CONTROLLING WEEDS WHICH COMPRISES APPLYING TO A LOCUS TO BE PROTECTED FROMTHE WEEDS, IN AN AMOUNT SUFFICIENT TO EXERT AN HRBICIDAL ACTION, AN ACTIVE INGREDIENT REPRESENTED BY 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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |