Patent US3273992A successfully refreshed from Google Patents.
US3273992A
Expired / Lapsed
US
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Herbicidal use of substituted methylcyclohexenones
Assignee: FMC Corp
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Filing: 1962-02-06
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Granted: 1966-09-20
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Expires: 1982-02-06
Abstract
No abstract record available.
Inventors
- 👤 Gino R Treves
- 👤 Kenneth L Hill
- 👤 Kenneth P Dorschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:01
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/45; C07C45/00; C07C45/61; C07C45/67; C07C45/673
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
THE METHOD OF DESTROYING WEEDS IN THE PRESENCE OF DESIRED CROP SPECIES WHICH COMPRISES APPLYING AN HERBICIDAL AMOUNT AND CONCENTRATION, TO THE LOCUS TO BE PROTECTED, OF A COMPOUND HAVING THE FORMULA
Claim 2
Independent Claim
32 words
THE METHOD OF DESTROYING WEEDS IN THE PRESENCE OF DESIRED CROP SPECIES WHICH COMPRISES APPLYING AN HERBICIDAL AMOUNT AND CONCENTRATION, TO THE LOCUS TO BE PROTECTED, OF A COMPOUND HAVING 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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |