US3419576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cycloaliphatic substituted 1,2,3,4,9,9-hexachloro - 1,4,4a,5,6,7,8,8a - octahydro-1,4 - methanonaphthalene - 6,7-dicarboximides
Assignee: Dow Chemical Co
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Filing: 1966-12-23
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Granted: 1968-12-31
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Expires: 1986-12-23
Abstract
No abstract record available.
Inventors
- 👤 Carleton W Roberts
- 👤 Gale D Travis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:50
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/56; C07D209/58; C07D209/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3280143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |