Patent US1844959A successfully refreshed from Google Patents.
Patent US3377155A successfully refreshed from Google Patents.
US3377155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2, 3, 6-trichloromandelic acid derivatives as herbicides
Assignee: Hooker Chemical Corp
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Filing: 1966-08-04
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Granted: 1968-04-09
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Expires: 1986-08-04
Abstract
No abstract record available.
Inventors
- 👤 Edward D Weil
- 👤 Linder Jerome
- 👤 Dorfman Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:10
CPC Classifications
C; C07; C07C; C07C255/00; C07C59/00; C07C59/40; C07C59/42; C07C59/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A METHOD FOR THE PREVENTION OF PLANT GROWTH COMPRISING APPLYING TO THE LOCUS TO BE TREATED A PHYTOTOXIC AMOUNT OF A HERBICIDE OF THE STRUCTURE:
Claim 2
Independent Claim
25 words
A METHOD FOR THE PREVENTION OF PLANT GROWTH COMPRISING APPLYING TO THE LOCUS TO BE TREATED A PHYTOTOXIC AMOUNT OF A HERBICIDE OF THE STRUCTURE:
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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |