Patent US2723192A successfully refreshed from Google Patents.
US2723192A
Expired / Lapsed
US
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Herbicidal process and product
Assignee: EIDP Inc
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Filing: 1954-02-23
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Granted: 1955-11-08
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Expires: 1974-02-23
Abstract
No abstract record available.
Inventors
- 👤 Charles W Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:17
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/28; C07C275/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A METHOD FOR THE CONTROL OF WEEDS WHICH COMPRISES APPLYING TO A LOCUS TO BE PROTECTED, IN AMOUNT SUFFICIENT TO EXERT A HERBICIDAL ACTION, A PHENYL ALKENYL UREA REPRESENTED BY THE FORMULA
Claim 2
Independent Claim
32 words
A METHOD FOR THE CONTROL OF WEEDS WHICH COMPRISES APPLYING TO A LOCUS TO BE PROTECTED, IN AMOUNT SUFFICIENT TO EXERT A HERBICIDAL ACTION, A PHENYL ALKENYL UREA REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |