Patent US3902972A successfully refreshed from Google Patents.
US2807530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for the control of undesired vegetation
Assignee: Dow Chemical Co
•
Filing: 1954-10-06
•
Granted: 1957-09-24
•
Expires: 1974-10-06
Abstract
No abstract record available.
Inventors
- 👤 Keith C Barrons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:05
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A METHOD WHICH COMPRISES EXPOSING GROWING PLANTS AND PLANT PARTS TO THE ACTION OF A GROWTH INHIBITING AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2,2,3-TRICHLOROPROPIONIC ACID AND ITS SALTS.
Claim 2
Independent Claim
32 words
A METHOD WHICH COMPRISES EXPOSING GROWING PLANTS AND PLANT PARTS TO THE ACTION OF A GROWTH INHIBITING AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2,2,3-TRICHLOROPROPIONIC ACID AND ITS SALTS.
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) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |