US2994599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating plant growth
Assignee: Rohm and Haas Co
•
Filing: 1956-05-11
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Granted: 1961-08-01
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Expires: 1976-05-11
Abstract
No abstract record available.
Inventors
- 👤 Mcrae Dougal Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:08
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/02; C; C05; C05F; C05F11/00; C05F11/10; C07; C07C; C07C53/00; C07C53/15; C07C53/19; Y; Y10; Y10S; Y10S47/00; Y10S47/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A PROCESS FOR SELECTIVELY KILLING WEEDS AMONG LAWN GRASSES, WHICH COMPRISES APPLYING TO A LAWN A COMPOUND FROM THE CLASS CONSISTING OF 2,3-DICHLOROISOBUTYRIC ACID, AND ITS WATER-SOLUBLE SALTS AT A CONCENTRATION AND A RATE SUFFICIENT TO DESTROY SAID WEEDS WITHOUT SIGNIFICANT DAMAGE TO THE LAWN GRASSES.
Claim 2
Dependent Claim
46 words
A PROCESS FOR SELECTIVELY KILLING WEEDS AMONG LAWN GRASSES, WHICH COMPRISES APPLYING TO A LAWN A COMPOUND FROM THE CLASS CONSISTING OF 2,3-DICHLOROISOBUTYRIC ACID, AND ITS WATER-SOLUBLE SALTS AT A CONCENTRATION AND A RATE SUFFICIENT TO DESTROY SAID WEEDS WITHOUT SIGNIFICANT DAMAGE TO THE LAWN GRASSES.
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) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |