Patent US3420049A successfully refreshed from Google Patents.
Patent US2905588A successfully refreshed from Google Patents.
US2905588A
Expired / Lapsed
US
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Growing and protection of crops and compositions therefor containing an ethynyl ketone
Assignee: Dow Chemical Co
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Filing: 1957-04-26
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Granted: 1959-09-22
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Expires: 1977-04-26
Abstract
No abstract record available.
Inventors
- 👤 Charles R Youngson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:41
CPC Classifications
A; A01; A01N; A01N35/00; A01N35/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
IN THE PRACTICE OF AGRICULTURAL ECONOMY, THE METHOD WHICH COMPRISES IMPREGNATING SOIL WITH AN ETHYNYL KETONE IN THE AMOUNT OF AT LEAST 2 PARTS BY WEIGHT PER MILLION PARTS BY WEIGH OF SOIL.
Claim 2
Dependent Claim
33 words
IN THE PRACTICE OF AGRICULTURAL ECONOMY, THE METHOD WHICH COMPRISES IMPREGNATING SOIL WITH AN ETHYNYL KETONE IN THE AMOUNT OF AT LEAST 2 PARTS BY WEIGHT PER MILLION PARTS BY WEIGH OF SOIL.
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) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |