US2773331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal composition and method
Assignee: Shell Development Co
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Filing: 1954-04-01
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Granted: 1956-12-11
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Expires: 1974-04-01
Abstract
No abstract record available.
Inventors
- 👤 William J Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:00
CPC Classifications
A; A01; A01N; A01N31/00; A01N31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A METHOD OF RIDDING SOIL OF VIABLE SEEDS WHICH COMPRISES APPLYING TO SOIL CONTAINING SUCH VIABLE SEEDS AN EFFECTIVE AMOUNT OF A COMPOSITION COMPRISING ALLYL ALCOHOL AND 1-CHLORO-3-BROMO-1-PROPENE HAVING A WEIGHT RATIO OF ALLYL ALCOHOL TO 1-CHLORO-3-BROMO-1-PROPENE OF FROM ABOUT 1:5 AND ABOUT 2:1.
Claim 2
Independent Claim
44 words
A METHOD OF RIDDING SOIL OF VIABLE SEEDS WHICH COMPRISES APPLYING TO SOIL CONTAINING SUCH VIABLE SEEDS AN EFFECTIVE AMOUNT OF A COMPOSITION COMPRISING ALLYL ALCOHOL AND 1-CHLORO-3-BROMO-1-PROPENE HAVING A WEIGHT RATIO OF ALLYL ALCOHOL TO 1-CHLORO-3-BROMO-1-PROPENE OF FROM ABOUT 1:5 AND ABOUT 2:1.
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) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |