Patent US4399783A successfully refreshed from Google Patents.
Patent US3399987A successfully refreshed from Google Patents.
US3399987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-alkylaminobenzimidazoles as herbicides
Assignee: US Borax Inc
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Filing: 1965-08-02
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Granted: 1968-09-03
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Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 William G Woods
- 👤 Goldsmith Harry
- 👤 Robert F Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:43
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/24; C07D235/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB822069A
Cited
US3068239A
Cited
US3162644A
Cited
US3317554A
Cited
US3317555A
Cited
US3317304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |