US2834790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hexachlorocyclopentadiene adduct
Assignee: Dow Chemical Co
•
Filing: 1956-06-04
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Granted: 1958-05-13
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Expires: 1976-06-04
Abstract
No abstract record available.
Inventors
- 👤 Wilbur L Bressler
- 👤 John C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:37
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22; C08; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2616899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |