Patent US3396201A successfully refreshed from Google Patents.
US3396201A
Expired / Lapsed
US
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Adducts of hexahalocyclopentadiene with alkadienes
Assignee: Hooker Chemical Corp
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Filing: 1967-11-22
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Granted: 1968-08-06
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Expires: 1987-11-22
Abstract
No abstract record available.
Inventors
- 👤 Edward D Weil
- 👤 John F Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:13
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/02; C07; C07C; C07C17/00; C07C17/26; C07C17/30; C07C23/00; C07C23/18; C07C23/20; C07C23/27; C07C23/30; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |