US2895817A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal method and composition employing substituted phenyl parabanic acids
Assignee: EIDP Inc
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Filing: 1956-04-12
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Granted: 1959-07-21
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Expires: 1976-04-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Luckenbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:08
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
THE METHOD FOR THE CONTROL OF UNDESIRED VEGETATION COMPRISING APPLYING TO THE LOCUS TO BE PROTECTED, IN AN AMOUNT SUFFICIENT TO EXERT HERBICIDAL ACTION, A COMPOUND REPRESEENTED BY THE FORMULA:
Claim 2
Independent Claim
30 words
THE METHOD FOR THE CONTROL OF UNDESIRED VEGETATION COMPRISING APPLYING TO THE LOCUS TO BE PROTECTED, IN AN AMOUNT SUFFICIENT TO EXERT HERBICIDAL ACTION, A COMPOUND REPRESEENTED BY THE FORMULA:
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) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |