US3223514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the control of plant growth
Assignee: Tenneco Chemicals Inc
•
Filing: 1961-05-10
•
Granted: 1965-12-14
•
Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 Marcel A Gradsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:53
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
THE PROCESS FOR THE CONTROL OF PLANT GROWTH IN A MEDIUM NORMALLY SUPPORTING PLANT GROWTH WHICH COMPRISES APPLYING TO SAID MEDIUM A PHYTOTOXIC AMOUNT OF A HERBICIDAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF CHLOROBENZYLPHOSPHONIC ACIDS HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
40 words
THE PROCESS FOR THE CONTROL OF PLANT GROWTH IN A MEDIUM NORMALLY SUPPORTING PLANT GROWTH WHICH COMPRISES APPLYING TO SAID MEDIUM A PHYTOTOXIC AMOUNT OF A HERBICIDAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF CHLOROBENZYLPHOSPHONIC ACIDS HAVING THE STRUCTURAL FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |