Patent US3476546A successfully refreshed from Google Patents.
US3476546A
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US
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Bicyclo(2,2,2)oct-5-ene-2,3-dicarboxylic anhydrides as herbicides
Assignee: Orica Ltd
•
Filing: 1965-12-02
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Granted: 1969-11-04
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Expires: 1985-12-02
Abstract
No abstract record available.
Inventors
- 👤 Gwyneth M Roberts
- 👤 Faye E Butt
- 👤 Asbjorn Baklien
- 👤 Jocelyn M Gregory
- 👤 Jan Kuiper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:03
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07C; C07C49/00; C07C49/587; C07C49/613; C07C49/617; C07C49/643; C07C49/657; C07C49/683; C07C49/687; C07C49/693; C07C51/00; C07C51/54; C07C51/567; C07D209/00; C07D209/56; C07D209/58; C07D209/72; C07D209/74; C07D209/76
Claims Analysis
Total Claims: 0
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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) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |