US2951098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adduct of hexachlorocyclopentadiene with 1, 4-dichlorobutyne-2
Assignee: Hooker Chemical Corp
•
Filing: 1958-07-14
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Granted: 1960-08-30
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Paul E Hoch
- 👤 John M Clegg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:42
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/18; C07C23/20; C07C23/27; C07C17/00; C07C17/26; C07C17/30; C07C2602/00; C07C2602/36; C07C2602/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2905725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |