US2058466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A process of adding a hydrogen halide to a compound containing an olefinic linkage
Assignee: EIDP Inc
•
Filing: 1933-12-16
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Granted: 1936-10-27
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Expires: 1953-12-16
Abstract
No abstract record available.
Inventors
- 👤 Morris S Kharasch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:44
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/07; C07C17/08; C07C17/087
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) | 1939-10-27 | 1940-04-27 | 1940-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-10-27 | 1944-04-27 | 1944-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-10-27 | 1948-04-27 | 1948-10-27 | $7700.00 | Window Closed / Lapsed |